Update e6.md

src/rules/examples/e6/e6.md

@@ -48,7 +48,7 @@ class Dinner {
 }
 ```
 
-The `end()` method can automatically detect if there is something to clean when dinner has ended. If one of the persons at the table spills water, the method `spillWater()` will be used as intended. The object will remember that the table is still dirty and clean it if needed. 
+The `end()` method can automatically detect if there is something to clean after dinner. If one of the persons at the table spills water, the method `spillWater()` will be used as intended. The object will remember that the table is still dirty and clean it if needed. 
 
 ```php
 <?php