piwik -> matomo

src/README.md

@@ -10,9 +10,9 @@ I had such a project and implemented this nice small plugin which offers you thr
 1. `your.piwik/index.php?module=API&method=AjaxOptOut.isTracked`  
    You will get an Response whether the current user get's tracked or not.
 1. `your.piwik/index.php?module=API&method=AjaxOptOut.doIgnore`  
-   Piwik will set the ignore cookie for the current user.
+   Matomo will set the ignore cookie for the current user.
 1. `your.piwik/index.php?module=API&method=AjaxOptOut.doTrack`  
-   Piwik will remove the ignore cookie for the current user.
+   Matomo will remove the ignore cookie for the current user.
 
 You have to use JSONP Requests, as of the AJAX requests needs to manipulate the cookies.