diff --git a/gas/ChangeLog b/gas/ChangeLog
index 1c86bf169af..5b6c2e03fbf 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,7 @@
+2017-05-15  Maciej W. Rozycki  <macro@imgtec.com>
+
+	* config/tc-mips.c (match_const_int): Update description.
+
 2017-05-15  Maciej W. Rozycki  <macro@imgtec.com>
 
 	* doc/as.texinfo (-mips16, -no-mips16): Refer to `.module
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c
index e73b9c94f3e..27ce0437e78 100644
--- a/gas/config/tc-mips.c
+++ b/gas/config/tc-mips.c
@@ -4841,8 +4841,7 @@ match_expression (struct mips_arg_info *arg, expressionS *value,
 
 /* Try to get a constant expression from the next tokens in ARG.  Consume
    the tokens and return return true on success, storing the constant value
-   in *VALUE.  Use FALLBACK as the value if the match succeeded with an
-   error.  */
+   in *VALUE.  */
 
 static bfd_boolean
 match_const_int (struct mips_arg_info *arg, offsetT *value)