1 files changed, 4 insertions, 3 deletions

diff --git a/lib/libc/string/strlcat.c b/lib/libc/string/strlcat.c
index c325ef332f3d..405389c9940e 100644
--- a/lib/libc/string/strlcat.c
+++ b/lib/libc/string/strlcat.c
@@ -42,10 +42,11 @@ static const char rcsid[] =
  * Appends src to string dst of size siz (unlike strncat, siz is the
  * full size of dst, not space left).  At most siz-1 characters
  * will be copied.  Always NUL terminates (unless siz <= strlen(dst)).
- * Returns strlen(initial dst) + strlen(src); if retval >= siz,
- * truncation occurred.
+ * Returns strlen(src) + MIN(siz, strlen(initial dst)).
+ * If retval >= siz, truncation occurred.
  */
-size_t strlcat(dst, src, siz)
+size_t
+strlcat(dst, src, siz)
 	char *dst;
 	const char *src;
 	size_t siz;