diff --git a/README.md b/README.md
index 8dec0c1..03a9483 100644
--- a/README.md
+++ b/README.md
@@ -17,8 +17,6 @@ A short cheat-sheet with Xcode 10.2 Playground ([Design-Patterns.playground.zip]
 ```swift
 print("Welcome!")
 ```
-
-
 ## Table of Contents
 
 | [Behavioral](#behavioral)                              | [Creational](#creational)                | [Structural](#structural)                |
diff --git a/source/contents.md b/source/contents.md
index 8503238..e7b0848 100644
--- a/source/contents.md
+++ b/source/contents.md
@@ -1,4 +1,3 @@
-
 ## Table of Contents
 
 * [Behavioral](Behavioral)
diff --git a/source/contentsReadme.md b/source/contentsReadme.md
index 6f1d4c6..0e5cf79 100644
--- a/source/contentsReadme.md
+++ b/source/contentsReadme.md
@@ -1,3 +1,4 @@
+Remember that each pattern has its own trade-offs. And you need to pay attention more to why you're choosing a certain pattern than to how to implement it.
 
 ## Table of Contents