diff --git a/resource-server-securing-api.md b/resource-server-securing-api.md
index 62736442..2c22ee70 100755
--- a/resource-server-securing-api.md
+++ b/resource-server-securing-api.md
@@ -17,7 +17,7 @@ Wherever you intialize your objects, initialize a new instance of the resource s
 $accessTokenRepository = new AccessTokenRepository(); // instance of AccessTokenRepositoryInterface
 
 // Path to authorization server's public key
-$publicKey = 'file://path/to/public.key';
+$publicKeyPath = 'file://path/to/public.key';
         
 // Setup the authorization server
 $server = new \League\OAuth2\Server\ResourceServer(
@@ -43,4 +43,4 @@ If the access token is valid the following attributes will be set on the ServerR
 * `oauth_user_id` - the user identifier represented by the access token
 * `oauth_scopes` - an array of string scope identifiers
 
-If the authorization is invalid an instance of `OAuthServerException::accessDenied` will be thrown.
\ No newline at end of file
+If the authorization is invalid an instance of `OAuthServerException::accessDenied` will be thrown.