diff --git a/README.md b/README.md
index 96b71dc..ee0587f 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Performance data is also enhanced to extract performance data compliant to Nagio
 
 Usage: 
 ```
-check_json -u|--url <URL> -a|--attribute <attribute> [ -c|--critical <threshold> ] [ -w|--warning <threshold> ] [ -p|--perfvars <fields> ] [ -t|--timeout <timeout> ] [ -d|--divisor <divisor> ] [ -T|--contenttype <content-type> ] [ -h|--help ]
+check_json -u|--url <URL> -a|--attribute <attribute> [ -c|--critical <threshold> ] [ -w|--warning <threshold> ] [ -p|--perfvars <fields> ] [ -t|--timeout <timeout> ] [ -d|--divisor <divisor> ] [ -T|--contenttype <content-type> ] [ --ignoressl ] [ -h|--help ]
 ```
 
 Example: