fixed typo

custom-injectors.js

@@ -7,7 +7,7 @@
     HTMLElement.prototype.scrollIntoView = function() {
         console.debug("Tried to scroll");
     };
-    window.scoll = fakescroll;
+    window.scroll = fakescroll;
     window.scrollBy = fakescroll;
     window.scrollByLines = fakescroll;
     window.scrollByPages = fakescroll;