diff --git a/AsyncFunction.md b/Functions.md
similarity index 98%
rename from AsyncFunction.md
rename to Functions.md
index f858e5b..cd9b01a 100644
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+++ b/Functions.md
@@ -1,3 +1,5 @@
+# Functions
+
 ## AsyncFunction
 
 JScript does not support the `async` keyword. So, WelsonJS uses the `AsyncFunction` class made by itself.