netrc.d: provide mutext info

Reported-by: xianghongai on github
Fixes #9899
Closes #9901

diff --git a/docs/cmdline-opts/netrc.d b/docs/cmdline-opts/netrc.d
index 7f109f7ada03f0bd52951b731295efaa7e277950..72cea34b3307d321a3f44883543c745ff78b4539 100644 (file)
--- a/docs/cmdline-opts/netrc.d
+++ b/docs/cmdline-opts/netrc.d
@@ -7,6 +7,7 @@ Category: curl
 Example: --netrc $URL
 Added: 4.6
 See-also: netrc-file config user
+Mutexed: netrc-file netrc-optional
 Multi: boolean
 ---
 Makes curl scan the *.netrc* (*_netrc* on Windows) file in the user's home