diff --git a/H/eval.h b/H/eval.h
index fcec9c0e2..fe3c27884 100644
--- a/H/eval.h
+++ b/H/eval.h
@@ -192,7 +192,6 @@ typedef enum {
    *  0-X =:= -X.
    *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    */
-   */
   op_uminus,
   /** \\ _X_, The bitwise negation of _X_.
    *