diff --git a/H/eval.h b/H/eval.h
index 9c0554a2b..5652e80b7 100644
--- a/H/eval.h
+++ b/H/eval.h
@@ -243,7 +243,7 @@ typedef enum {
     *   0 == 2.22e-16
     *   0 == 0
     *   false.
-    *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+    *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     */
   op_log10,
   op_sqrt,