diff --git a/src/Symfony/Component/Validator/Constraints/Blank.php b/src/Symfony/Component/Validator/Constraints/Blank.php
index 2ceb43ea04..b6db62a796 100644
--- a/src/Symfony/Component/Validator/Constraints/Blank.php
+++ b/src/Symfony/Component/Validator/Constraints/Blank.php
@@ -20,5 +20,5 @@ use Symfony\Component\Validator\Constraint;
  */
 class Blank extends Constraint
 {
-    public $message = 'This value should be blank';
+    public $message = 'This value should be blank.';
 }
diff --git a/src/Symfony/Component/Validator/Constraints/Choice.php b/src/Symfony/Component/Validator/Constraints/Choice.php
index 209bb9b211..b73bd77ca3 100644
--- a/src/Symfony/Component/Validator/Constraints/Choice.php
+++ b/src/Symfony/Component/Validator/Constraints/Choice.php
@@ -26,10 +26,10 @@ class Choice extends Constraint
     public $strict = false;
     public $min = null;
     public $max = null;
-    public $message = 'The value you selected is not a valid choice';
-    public $multipleMessage = 'One or more of the given values is invalid';
-    public $minMessage = 'You must select at least {{ limit }} choices';
-    public $maxMessage = 'You must select at most {{ limit }} choices';
+    public $message = 'The value you selected is not a valid choice.';
+    public $multipleMessage = 'One or more of the given values is invalid.';
+    public $minMessage = 'You must select at least {{ limit }} choices.';
+    public $maxMessage = 'You must select at most {{ limit }} choices.';
 
     /**
      * {@inheritDoc}
diff --git a/src/Symfony/Component/Validator/Constraints/Collection.php b/src/Symfony/Component/Validator/Constraints/Collection.php
index 5740b98d34..c2c6a06d4e 100644
--- a/src/Symfony/Component/Validator/Constraints/Collection.php
+++ b/src/Symfony/Component/Validator/Constraints/Collection.php
@@ -23,8 +23,8 @@ class Collection extends Constraint
     public $fields;
     public $allowExtraFields = false;
     public $allowMissingFields = false;
-    public $extraFieldsMessage = 'This field was not expected';
-    public $missingFieldsMessage = 'This field is missing';
+    public $extraFieldsMessage = 'This field was not expected.';
+    public $missingFieldsMessage = 'This field is missing.';
 
     /**
      * {@inheritDoc}
diff --git a/src/Symfony/Component/Validator/Constraints/Country.php b/src/Symfony/Component/Validator/Constraints/Country.php
index a3c2a2ae7e..5e81df4534 100644
--- a/src/Symfony/Component/Validator/Constraints/Country.php
+++ b/src/Symfony/Component/Validator/Constraints/Country.php
@@ -20,5 +20,5 @@ use Symfony\Component\Validator\Constraint;
  */
 class Country extends Constraint
 {
-    public $message = 'This value is not a valid country';
+    public $message = 'This value is not a valid country.';
 }
diff --git a/src/Symfony/Component/Validator/Constraints/Date.php b/src/Symfony/Component/Validator/Constraints/Date.php
index 7668109100..c34851e286 100644
--- a/src/Symfony/Component/Validator/Constraints/Date.php
+++ b/src/Symfony/Component/Validator/Constraints/Date.php
@@ -20,5 +20,5 @@ use Symfony\Component\Validator\Constraint;
  */
 class Date extends Constraint
 {
-    public $message = 'This value is not a valid date';
+    public $message = 'This value is not a valid date.';
 }
diff --git a/src/Symfony/Component/Validator/Constraints/DateTime.php b/src/Symfony/Component/Validator/Constraints/DateTime.php
index e8fcb5adb9..a2059b03e9 100644
--- a/src/Symfony/Component/Validator/Constraints/DateTime.php
+++ b/src/Symfony/Component/Validator/Constraints/DateTime.php
@@ -20,5 +20,5 @@ use Symfony\Component\Validator\Constraint;
  */
 class DateTime extends Constraint
 {
-    public $message = 'This value is not a valid datetime';
+    public $message = 'This value is not a valid datetime.';
 }
diff --git a/src/Symfony/Component/Validator/Constraints/Email.php b/src/Symfony/Component/Validator/Constraints/Email.php
index a1265e37cc..db250dfc4d 100644
--- a/src/Symfony/Component/Validator/Constraints/Email.php
+++ b/src/Symfony/Component/Validator/Constraints/Email.php
@@ -20,7 +20,7 @@ use Symfony\Component\Validator\Constraint;
  */
 class Email extends Constraint
 {
-    public $message = 'This value is not a valid email address';
+    public $message = 'This value is not a valid email address.';
     public $checkMX = false;
     public $checkHost = false;
 }
diff --git a/src/Symfony/Component/Validator/Constraints/False.php b/src/Symfony/Component/Validator/Constraints/False.php
index eb5d7ea475..1a1f1636f3 100644
--- a/src/Symfony/Component/Validator/Constraints/False.php
+++ b/src/Symfony/Component/Validator/Constraints/False.php
@@ -20,5 +20,5 @@ use Symfony\Component\Validator\Constraint;
  */
 class False extends Constraint
 {
-    public $message = 'This value should be false';
+    public $message = 'This value should be false.';
 }
diff --git a/src/Symfony/Component/Validator/Constraints/File.php b/src/Symfony/Component/Validator/Constraints/File.php
index 3abd7e2b71..06d6e7ed28 100644
--- a/src/Symfony/Component/Validator/Constraints/File.php
+++ b/src/Symfony/Component/Validator/Constraints/File.php
@@ -22,17 +22,17 @@ class File extends Constraint
 {
     public $maxSize = null;
     public $mimeTypes = array();
-    public $notFoundMessage = 'The file could not be found';
-    public $notReadableMessage = 'The file is not readable';
-    public $maxSizeMessage = 'The file is too large ({{ size }}). Allowed maximum size is {{ limit }}';
-    public $mimeTypesMessage = 'The mime type of the file is invalid ({{ type }}). Allowed mime types are {{ types }}';
+    public $notFoundMessage = 'The file could not be found.';
+    public $notReadableMessage = 'The file is not readable.';
+    public $maxSizeMessage = 'The file is too large ({{ size }}). Allowed maximum size is {{ limit }}.';
+    public $mimeTypesMessage = 'The mime type of the file is invalid ({{ type }}). Allowed mime types are {{ types }}.';
 
-    public $uploadIniSizeErrorMessage   = 'The file is too large. Allowed maximum size is {{ limit }}';
-    public $uploadFormSizeErrorMessage  = 'The file is too large';
-    public $uploadPartialErrorMessage   = 'The file was only partially uploaded';
-    public $uploadNoFileErrorMessage    = 'No file was uploaded';
-    public $uploadNoTmpDirErrorMessage  = 'No temporary folder was configured in php.ini';
-    public $uploadCantWriteErrorMessage = 'Cannot write temporary file to disk';
-    public $uploadExtensionErrorMessage = 'A PHP extension caused the upload to fail';
-    public $uploadErrorMessage          = 'The file could not be uploaded';
+    public $uploadIniSizeErrorMessage   = 'The file is too large. Allowed maximum size is {{ limit }}.';
+    public $uploadFormSizeErrorMessage  = 'The file is too large.';
+    public $uploadPartialErrorMessage   = 'The file was only partially uploaded.';
+    public $uploadNoFileErrorMessage    = 'No file was uploaded.';
+    public $uploadNoTmpDirErrorMessage  = 'No temporary folder was configured in php.ini.';
+    public $uploadCantWriteErrorMessage = 'Cannot write temporary file to disk.';
+    public $uploadExtensionErrorMessage = 'A PHP extension caused the upload to fail.';
+    public $uploadErrorMessage          = 'The file could not be uploaded.';
 }
diff --git a/src/Symfony/Component/Validator/Constraints/Image.php b/src/Symfony/Component/Validator/Constraints/Image.php
index 6f65540fbe..a23106489f 100644
--- a/src/Symfony/Component/Validator/Constraints/Image.php
+++ b/src/Symfony/Component/Validator/Constraints/Image.php
@@ -24,10 +24,10 @@ class Image extends File
     public $maxHeight = null;
     public $minHeight = null;
 
-    public $mimeTypesMessage = 'This file is not a valid image';
-    public $sizeNotDetectedMessage = 'The size of the image could not be detected';
-    public $maxWidthMessage = 'The image width is too big ({{ width }}px). Allowed maximum width is {{ max_width }}px';
-    public $minWidthMessage = 'The image width is too small ({{ width }}px). Minimum width expected is {{ min_width }}px';
-    public $maxHeightMessage = 'The image height is too big ({{ height }}px). Allowed maximum height is {{ max_height }}px';
-    public $minHeightMessage = 'The image height is too small ({{ height }}px). Minimum height expected is {{ min_height }}px';
+    public $mimeTypesMessage = 'This file is not a valid image.';
+    public $sizeNotDetectedMessage = 'The size of the image could not be detected.';
+    public $maxWidthMessage = 'The image width is too big ({{ width }}px). Allowed maximum width is {{ max_width }}px.';
+    public $minWidthMessage = 'The image width is too small ({{ width }}px). Minimum width expected is {{ min_width }}px.';
+    public $maxHeightMessage = 'The image height is too big ({{ height }}px). Allowed maximum height is {{ max_height }}px.';
+    public $minHeightMessage = 'The image height is too small ({{ height }}px). Minimum height expected is {{ min_height }}px.';
 }
diff --git a/src/Symfony/Component/Validator/Constraints/Ip.php b/src/Symfony/Component/Validator/Constraints/Ip.php
index b8c3abf0f1..f064e32168 100644
--- a/src/Symfony/Component/Validator/Constraints/Ip.php
+++ b/src/Symfony/Component/Validator/Constraints/Ip.php
@@ -64,7 +64,7 @@ class Ip extends Constraint
 
     public $version = self::V4;
 
-    public $message = 'This is not a valid IP address';
+    public $message = 'This is not a valid IP address.';
 
     /**
      * {@inheritDoc}
diff --git a/src/Symfony/Component/Validator/Constraints/Language.php b/src/Symfony/Component/Validator/Constraints/Language.php
index 78d64d46f6..a0a099bac7 100644
--- a/src/Symfony/Component/Validator/Constraints/Language.php
+++ b/src/Symfony/Component/Validator/Constraints/Language.php
@@ -20,5 +20,5 @@ use Symfony\Component\Validator\Constraint;
  */
 class Language extends Constraint
 {
-    public $message = 'This value is not a valid language';
+    public $message = 'This value is not a valid language.';
 }
diff --git a/src/Symfony/Component/Validator/Constraints/Locale.php b/src/Symfony/Component/Validator/Constraints/Locale.php
index eaa1a58ab0..9a9025e361 100644
--- a/src/Symfony/Component/Validator/Constraints/Locale.php
+++ b/src/Symfony/Component/Validator/Constraints/Locale.php
@@ -20,5 +20,5 @@ use Symfony\Component\Validator\Constraint;
  */
 class Locale extends Constraint
 {
-    public $message = 'This value is not a valid locale';
+    public $message = 'This value is not a valid locale.';
 }
diff --git a/src/Symfony/Component/Validator/Constraints/Max.php b/src/Symfony/Component/Validator/Constraints/Max.php
index c0ff8fcb89..ffb958e85b 100644
--- a/src/Symfony/Component/Validator/Constraints/Max.php
+++ b/src/Symfony/Component/Validator/Constraints/Max.php
@@ -20,8 +20,8 @@ use Symfony\Component\Validator\Constraint;
  */
 class Max extends Constraint
 {
-    public $message = 'This value should be {{ limit }} or less';
-    public $invalidMessage = 'This value should be a valid number';
+    public $message = 'This value should be {{ limit }} or less.';
+    public $invalidMessage = 'This value should be a valid number.';
     public $limit;
 
     /**
diff --git a/src/Symfony/Component/Validator/Constraints/MaxLength.php b/src/Symfony/Component/Validator/Constraints/MaxLength.php
index 49d7b441c4..c928bd5bfd 100644
--- a/src/Symfony/Component/Validator/Constraints/MaxLength.php
+++ b/src/Symfony/Component/Validator/Constraints/MaxLength.php
@@ -20,7 +20,7 @@ use Symfony\Component\Validator\Constraint;
  */
 class MaxLength extends Constraint
 {
-    public $message = 'This value is too long. It should have {{ limit }} characters or less';
+    public $message = 'This value is too long. It should have {{ limit }} characters or less.';
     public $limit;
     public $charset = 'UTF-8';
 
diff --git a/src/Symfony/Component/Validator/Constraints/Min.php b/src/Symfony/Component/Validator/Constraints/Min.php
index becd0e5bdd..78a4833296 100644
--- a/src/Symfony/Component/Validator/Constraints/Min.php
+++ b/src/Symfony/Component/Validator/Constraints/Min.php
@@ -20,8 +20,8 @@ use Symfony\Component\Validator\Constraint;
  */
 class Min extends Constraint
 {
-    public $message = 'This value should be {{ limit }} or more';
-    public $invalidMessage = 'This value should be a valid number';
+    public $message = 'This value should be {{ limit }} or more.';
+    public $invalidMessage = 'This value should be a valid number.';
     public $limit;
 
     /**
diff --git a/src/Symfony/Component/Validator/Constraints/MinLength.php b/src/Symfony/Component/Validator/Constraints/MinLength.php
index f25e43d99c..1ee15906a6 100644
--- a/src/Symfony/Component/Validator/Constraints/MinLength.php
+++ b/src/Symfony/Component/Validator/Constraints/MinLength.php
@@ -20,7 +20,7 @@ use Symfony\Component\Validator\Constraint;
  */
 class MinLength extends Constraint
 {
-    public $message = 'This value is too short. It should have {{ limit }} characters or more';
+    public $message = 'This value is too short. It should have {{ limit }} characters or more.';
     public $limit;
     public $charset = 'UTF-8';
 
diff --git a/src/Symfony/Component/Validator/Constraints/NotBlank.php b/src/Symfony/Component/Validator/Constraints/NotBlank.php
index ea2bda94f3..c3281ad715 100644
--- a/src/Symfony/Component/Validator/Constraints/NotBlank.php
+++ b/src/Symfony/Component/Validator/Constraints/NotBlank.php
@@ -20,5 +20,5 @@ use Symfony\Component\Validator\Constraint;
  */
 class NotBlank extends Constraint
 {
-    public $message = 'This value should not be blank';
+    public $message = 'This value should not be blank.';
 }
diff --git a/src/Symfony/Component/Validator/Constraints/NotNull.php b/src/Symfony/Component/Validator/Constraints/NotNull.php
index 2a49a1f3cf..2608ab3c0f 100644
--- a/src/Symfony/Component/Validator/Constraints/NotNull.php
+++ b/src/Symfony/Component/Validator/Constraints/NotNull.php
@@ -20,5 +20,5 @@ use Symfony\Component\Validator\Constraint;
  */
 class NotNull extends Constraint
 {
-    public $message = 'This value should not be null';
+    public $message = 'This value should not be null.';
 }
diff --git a/src/Symfony/Component/Validator/Constraints/Null.php b/src/Symfony/Component/Validator/Constraints/Null.php
index a64331726e..e110bf8549 100644
--- a/src/Symfony/Component/Validator/Constraints/Null.php
+++ b/src/Symfony/Component/Validator/Constraints/Null.php
@@ -20,5 +20,5 @@ use Symfony\Component\Validator\Constraint;
  */
 class Null extends Constraint
 {
-    public $message = 'This value should be null';
+    public $message = 'This value should be null.';
 }
diff --git a/src/Symfony/Component/Validator/Constraints/Regex.php b/src/Symfony/Component/Validator/Constraints/Regex.php
index 702a51dfd8..73f8b7b332 100644
--- a/src/Symfony/Component/Validator/Constraints/Regex.php
+++ b/src/Symfony/Component/Validator/Constraints/Regex.php
@@ -20,7 +20,7 @@ use Symfony\Component\Validator\Constraint;
  */
 class Regex extends Constraint
 {
-    public $message = 'This value is not valid';
+    public $message = 'This value is not valid.';
     public $pattern;
     public $match = true;
 
diff --git a/src/Symfony/Component/Validator/Constraints/Size.php b/src/Symfony/Component/Validator/Constraints/Size.php
index d350c78052..627f5a9f6e 100644
--- a/src/Symfony/Component/Validator/Constraints/Size.php
+++ b/src/Symfony/Component/Validator/Constraints/Size.php
@@ -20,9 +20,9 @@ use Symfony\Component\Validator\Constraint;
  */
 class Size extends Constraint
 {
-    public $minMessage = 'This value should be {{ limit }} or more';
-    public $maxMessage = 'This value should be {{ limit }} or less';
-    public $invalidMessage = 'This value should be a valid number';
+    public $minMessage = 'This value should be {{ limit }} or more.';
+    public $maxMessage = 'This value should be {{ limit }} or less.';
+    public $invalidMessage = 'This value should be a valid number.';
     public $min;
     public $max;
 
diff --git a/src/Symfony/Component/Validator/Constraints/SizeLength.php b/src/Symfony/Component/Validator/Constraints/SizeLength.php
index 7d599e6b21..3704c66a2a 100644
--- a/src/Symfony/Component/Validator/Constraints/SizeLength.php
+++ b/src/Symfony/Component/Validator/Constraints/SizeLength.php
@@ -20,9 +20,9 @@ use Symfony\Component\Validator\Constraint;
  */
 class SizeLength extends Constraint
 {
-    public $minMessage   = 'This value is too short. It should have {{ limit }} characters or more';
-    public $maxMessage   = 'This value is too long. It should have {{ limit }} characters or less';
-    public $exactMessage = 'This value should have exactly {{ limit }} characters';
+    public $minMessage   = 'This value is too short. It should have {{ limit }} characters or more.';
+    public $maxMessage   = 'This value is too long. It should have {{ limit }} characters or less.';
+    public $exactMessage = 'This value should have exactly {{ limit }} characters.';
     public $min;
     public $max;
     public $charset = 'UTF-8';
diff --git a/src/Symfony/Component/Validator/Constraints/Time.php b/src/Symfony/Component/Validator/Constraints/Time.php
index a1f0b398f1..3ff8a50b18 100644
--- a/src/Symfony/Component/Validator/Constraints/Time.php
+++ b/src/Symfony/Component/Validator/Constraints/Time.php
@@ -20,5 +20,5 @@ use Symfony\Component\Validator\Constraint;
  */
 class Time extends Constraint
 {
-    public $message = 'This value is not a valid time';
+    public $message = 'This value is not a valid time.';
 }
diff --git a/src/Symfony/Component/Validator/Constraints/True.php b/src/Symfony/Component/Validator/Constraints/True.php
index 504b70924e..a5bfc85832 100644
--- a/src/Symfony/Component/Validator/Constraints/True.php
+++ b/src/Symfony/Component/Validator/Constraints/True.php
@@ -20,5 +20,5 @@ use Symfony\Component\Validator\Constraint;
  */
 class True extends Constraint
 {
-    public $message = 'This value should be true';
+    public $message = 'This value should be true.';
 }
diff --git a/src/Symfony/Component/Validator/Constraints/Type.php b/src/Symfony/Component/Validator/Constraints/Type.php
index c0419f90a5..11dec3c983 100644
--- a/src/Symfony/Component/Validator/Constraints/Type.php
+++ b/src/Symfony/Component/Validator/Constraints/Type.php
@@ -20,7 +20,7 @@ use Symfony\Component\Validator\Constraint;
  */
 class Type extends Constraint
 {
-    public $message = 'This value should be of type {{ type }}';
+    public $message = 'This value should be of type {{ type }}.';
     public $type;
 
     /**
diff --git a/src/Symfony/Component/Validator/Constraints/Url.php b/src/Symfony/Component/Validator/Constraints/Url.php
index 655453aa86..4b4e96cdc5 100644
--- a/src/Symfony/Component/Validator/Constraints/Url.php
+++ b/src/Symfony/Component/Validator/Constraints/Url.php
@@ -20,6 +20,6 @@ use Symfony\Component\Validator\Constraint;
  */
 class Url extends Constraint
 {
-    public $message = 'This value is not a valid URL';
+    public $message = 'This value is not a valid URL.';
     public $protocols = array('http', 'https');
 }