diff --git a/check_haproxy_health b/check_haproxy_health
index 1d3d349a22cf3743def1e3c725bce603ef455b78..7f7590d74cf52314fd3ad0623ebad86126141518 100755
--- a/check_haproxy_health
+++ b/check_haproxy_health
@@ -40,6 +40,7 @@ It requires wget to handle the http request.
 Non OK values occur:
   UNKNOWN - if $HAPROXYcfgfile cannot be read
           - haproxy is not in http mode
+          - the url wasn't detected
           - the detected status url doesn't send a response
   ERROR - the detected status url did not respond with Http status 
           code 200
diff --git a/docs/20_Checks/check_haproxy_health.md b/docs/20_Checks/check_haproxy_health.md
index e0fefd87fa23c5e6c79ab117d3880e9135554037..4211e4c2a67bb3846ff86b470c3e9aeb84493816 100644
--- a/docs/20_Checks/check_haproxy_health.md
+++ b/docs/20_Checks/check_haproxy_health.md
@@ -26,6 +26,7 @@ It requires wget to handle the http request.
 Non OK values occur:
   UNKNOWN - if /etc/haproxy/haproxy.cfg cannot be read
           - haproxy is not in http mode
+          - the url wasn't detected
           - the detected status url doesn't send a response
   ERROR - the detected status url did not respond with Http status 
           code 200