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-rw-r--r--man3/perror.32
1 files changed, 1 insertions, 1 deletions
diff --git a/man3/perror.3 b/man3/perror.3
index 49d10c83f9..60cba0db4b 100644
--- a/man3/perror.3
+++ b/man3/perror.3
@@ -51,7 +51,7 @@ First (if
.I s
is not NULL and
.RI * s
-is not NUL) the argument string
+is not a null byte ('\\0')) the argument string
.I s
is printed, followed by a colon and a blank.
Then the message and a new-line.