diff --git a/src/chars.c b/src/chars.c
index 066f89e93a3d521f07f0034f6fe6b0f14433c663..85f01670411673a9775904949b1b4b8814961845 100644
--- a/src/chars.c
+++ b/src/chars.c
@@ -248,8 +248,8 @@ int mb_cur_max(void)
 }
 
 /* Convert the value in chr to a multibyte character with the same
- * wide character value as chr.  Return the (dynamically allocated)
- * multibyte character and its length. */
+ * wide character value as chr, if possible.  Return the (dynamically
+ * allocated) multibyte character and its length. */
 char *make_mbchar(int chr, int *chr_mb_len)
 {
     char *chr_mb;