1 files changed, 2 insertions, 2 deletions

diff --git a/src/coding.c b/src/coding.c
index 34f36d5a86a..071124b4ef1 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -10395,7 +10395,7 @@ representation of the decoded text.
 
 This function sets `last-coding-system-used' to the precise coding system
 used (which may be different from CODING-SYSTEM if CODING-SYSTEM is
-not fully specified.)  */)
+not fully specified.)  The function does not change the match data.  */)
   (Lisp_Object string, Lisp_Object coding_system, Lisp_Object nocopy, Lisp_Object buffer)
 {
   return code_convert_string (string, coding_system, buffer,
@@ -10415,7 +10415,7 @@ case, the return value is the length of the encoded text.
 
 This function sets `last-coding-system-used' to the precise coding system
 used (which may be different from CODING-SYSTEM if CODING-SYSTEM is
-not fully specified.)  */)
+not fully specified.)  The function does not change the match data.  */)
   (Lisp_Object string, Lisp_Object coding_system, Lisp_Object nocopy, Lisp_Object buffer)
 {
   return code_convert_string (string, coding_system, buffer,