diff --git a/authparams.php b/authparams.php
index 14f3a37..bf0d53b 100644
--- a/authparams.php
+++ b/authparams.php
@@ -117,7 +117,14 @@ class authparams
 
   /** Get the information from a Bearer Token
     * The token MUST be set in HTTP Header :
-    *     Authorization: Bearer <token>
+    *     Authentication: Bearer <token>
+    * Ex in curl :
+    * curl -s -u "login:password" -X POST \
+    *    http://localhost/rest/authentication/ | jq -r
+    * curl -s \
+    *   -H "Accept: application/json" \
+    *   -H "Authentication: Bearer ${BearerToken}" \
+    *   http://localhost/rest/api/
     * The real verification are done in authjwt, as we can not have the
     * jwtServerKey defined in property : the execution is done in constructor
     */