diff --git a/apps/protocols/http/mode/expectedcontent.pm b/apps/protocols/http/mode/expectedcontent.pm
index 8d3f58d0b..af92b7275 100644
--- a/apps/protocols/http/mode/expectedcontent.pm
+++ b/apps/protocols/http/mode/expectedcontent.pm
@@ -184,6 +184,10 @@ Specify password for basic authentification (Mandatory if --credentials is speci
 
 Threshold for HTTP timeout
 
+=item B<--expected-string>
+
+Specify String to check on the Webpage
+
 =back
 
 =cut