diff --git a/README.md b/README.md
index 6890441615490c92568b95b27f33229abbae2f3d..52c5f057eb1f462ff1e891628e18a5da6863f0da 100644
--- a/README.md
+++ b/README.md
@@ -99,8 +99,8 @@ On each line you have the three fields _service_name_, _url_, _curl_options_, _c
 <details><summary>Sample curl.cfg file</summary>
 
 ```
-forum.checkmk.com|https://forum.checkmk.com/|"--location --insecure"|curl_item_1
-thl-cmk.hopto.org|https://thl-cmk.hopto.org|"--location --head"|curl_item_2
+forum.checkmk.com|"https://forum.checkmk.com/"|"--location --insecure"|curl_item_1
+thl-cmk.hopto.org|"https://thl-cmk.hopto.org"|"--location --head"|curl_item_2
 ```
 
 </details>