regexec.c: Fix comment

1 files changed, 2 insertions, 1 deletions

diff --git a/regexec.c b/regexec.c
index 9e23bd7222..d6909c686f 100644
--- a/regexec.c
+++ b/regexec.c
@@ -1920,7 +1920,8 @@ STMT_START {
 
 /* Like FBC_UTF8_A, but TEST_UV is a macro which takes a UV as its input, and
  * TEST_UTF8 is a macro that for the same input code points returns identically
- * to TEST_UV, but takes a pointer to a UTF-8 encoded string instead */
+ * to TEST_UV, but takes a pointer to a UTF-8 encoded string instead (and an
+ * end pointer as well) */
 #define FBC_UTF8(TEST_UV, TEST_UTF8, IF_SUCCESS, IF_FAIL)                      \
     if (s == reginfo->strbeg) {                                                \
         tmp = '\n';                                                            \