curl.1: netrc is in man section 5

docs/curl.1

@@ -1059,7 +1059,7 @@ in Metalink file, hash check will fail.
 Makes curl scan the \fI.netrc\fP (\fI_netrc\fP on Windows) file in the user's
 home directory for login name and password. This is typically used for FTP on
 Unix. If used with HTTP, curl will enable user authentication. See
-\fInetrc(4)\fP \fIftp(1)\fP for details on the file format. Curl will not
+\fInetrc(5)\fP \fIftp(1)\fP for details on the file format. Curl will not
 complain if that file doesn't have the right permissions (it should not be
 either world- or group-readable). The environment variable "HOME" is used to
 find the home directory.