diff --git a/man2/accept.2 b/man2/accept.2
index f6109231f..f4b70980c 100644
--- a/man2/accept.2
+++ b/man2/accept.2
@@ -223,7 +223,8 @@ and do not require these constants to have the same value,
 so a portable application should check for both possibilities.
 .TP
 .B EBADF
-The descriptor is invalid.
+.I sockfd
+is not an open file descriptor.
 .TP
 .B ECONNABORTED
 A connection has been aborted.