diff --git a/ex4.md b/ex4.md
index fbbe70c..5f07c75 100644
--- a/ex4.md
+++ b/ex4.md
@@ -4,16 +4,16 @@
 
 3. Use any of the shared libraries of your chosen friend
 
-	https://github.com/MieszkoCharchuta/cpp_object
+	`https://github.com/MieszkoCharchuta/cpp_object`
 
-	https://github.com/emilka-skrzypek/C-/blob/main/main.cpp
+	`https://github.com/emilka-skrzypek/C-/blob/main/main.cpp`
 
-	https://github.com/FrajarUAM/Obiektowe_Cpp/tree/b6829267807fb6e4a591c34fabb93d1c5c515fa0
+	`https://github.com/FrajarUAM/Obiektowe_Cpp/tree/b6829267807fb6e4a591c34fabb93d1c5c515fa0`
 
-	https://github.com/Kamil-Patan/c--/tree/main/cpp%20obiektowe
+	`https://github.com/Kamil-Patan/c--/tree/main/cpp%20obiektowe`
 
-	https://github.com/Palmin00/programowaniecpp
+	`https://github.com/Palmin00/programowaniecpp`
 
-	https://gitea.com/emiliagnatiuk/programowanie-obiektowe.git
+	`https://gitea.com/emiliagnatiuk/programowanie-obiektowe.git`
 
-	https://github.com/julpac5/julpac5
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+	`https://github.com/julpac5/julpac5`
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