Fixing README

Author: moufmouf

README.md

@@ -103,11 +103,12 @@ $fileBoundCache = new FileBoundCache($psr16Cache);
 $classBoundCache = new ClassBoundMemoryAdapter(new ClassBoundCache($psr16Cache));
 $classBoundCacheContract = new ClassBoundCacheContract(new ClassBoundCache($fileBoundCache));
 
-// Put the $myDataToCache object in cache.
 // If the FooBar class is modified, the cache item is purged.
 $item = $classBoundCache->get(new ReflectionClass(FooBar::class), function() {
+    // ...
     // let's return the item to be cached.
     // this function is called only if the item is not in cache yet.
+    return $item;
 });
 ```