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-rw-r--r--core/sysappend.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/core/sysappend.c b/core/sysappend.c
index e84e4b2b..31eb0675 100644
--- a/core/sysappend.c
+++ b/core/sysappend.c
@@ -25,7 +25,7 @@ const char *sysappend_strings[SYSAPPEND_MAX];
/*
* Copy a string, converting whitespace characters to underscores
- * and compacting them.
+ * and compacting them. Return a pointer to the final null.
*/
static char *copy_and_mangle(char *dst, const char *src)
{