Fixed typos in notes by @krzysztof-frzybek

design-patterns/globals-are-evil.md

@@ -1,11 +1,11 @@
-# Why are global and static objects evil? Can you show it with a code example?
+# Globals are evil
 
-## [Krzysztof Grzybek](https://github.com/krzysztof-grzybek)
+Some hints by [Krzysztof Grzybek](https://github.com/krzysztof-grzybek):
 
-1. Global and static objects causes implicit dependencies/coupling, thus breaks the idea of encapsulation.
+1. Global and static objects cause implicit dependencies/coupling, thus they break the idea of encapsulation.
 2. It's hard to reason about them - logical scope for understanding behaviour of these objects is expanded to the whole program.
-3. It's Hard to mock/stub them.
-4. Global objects pollutes the main scope.
+3. It's hard to mock/stub them.
+4. Global objects pollute the main scope.
 
 Bad:
 ```javascript