curl_multi_waitfds.md: add protocol mention

Follow-up to 02beac6bb6b

diff --git a/docs/libcurl/curl_multi_waitfds.md b/docs/libcurl/curl_multi_waitfds.md
index 93472f0ce6e2b3e62b3c2b5f214f6f6a87b12789..3e4c260915a48c3a85ab4510f72700e4c9e81845 100644 (file)
--- a/docs/libcurl/curl_multi_waitfds.md
+++ b/docs/libcurl/curl_multi_waitfds.md
@@ -9,6 +9,8 @@ See-also:
   - curl_multi_poll (3)
   - curl_multi_wait (3)
   - curl_multi_fdset (3)
+Protocol:
+  - All
 ---
 
 # NAME