diff --git a/docs/20_Checks/check_httpd.md b/docs/20_Checks/check_http.md
similarity index 98%
rename from docs/20_Checks/check_httpd.md
rename to docs/20_Checks/check_http.md
index 30a03fc10af2d4877de3fbc5773cc7024e22990d..d229b217f4d74df4ac2114fd6fdaf9be6f9ebfb3 100644
--- a/docs/20_Checks/check_httpd.md
+++ b/docs/20_Checks/check_http.md
@@ -47,6 +47,7 @@ PARAMETERS:
   Define request:
   -u URL           Set url to fetch; eg. https://www.example.com/
   -m METHOD        Set a method, eg. HEAD; default: GET
+  -c PARAMS        additional curl params
 
   What to check:
   -s STATUSCODE    exact Statuscode to check; 3 digits; by default critical