diff --git a/man2/fcntl.2 b/man2/fcntl.2
index 59f22cede..f3e7fa848 100644
--- a/man2/fcntl.2
+++ b/man2/fcntl.2
@@ -1379,7 +1379,11 @@ is not recognized by this kernel.
 For
 .BR F_DUPFD ,
 .I arg
-is negative or is greater than the maximum allowable value.
+is negative or is greater than the maximum allowable value
+(see the discussion of
+.BR RLIMIT_NOFILE
+in
+.BR getrlimit (2)).
 For
 .BR F_SETSIG ,
 .I arg