diff --git a/Data_Structures/Patterns/Observer_pattern.md b/Data_Structures/Patterns/Observer_pattern.md
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--- a/Data_Structures/Patterns/Observer_pattern.md
+++ b/Data_Structures/Patterns/Observer_pattern.md
@@ -5,7 +5,7 @@ tags:
   - oop
 ---
 
-# The observer pattern
+# Observer pattern
 
 The Observer design pattern is also known as the 'publish/subscribe' pattern.
 
diff --git a/computer_science b/computer_science
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--- a/computer_science
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-Subproject commit b56a834d4258d0ce3eeb7bf750209ec35ea69e39