diff --git a/Calling-functions.md b/Calling-functions.md
index cbcc058..7b40ded 100644
--- a/Calling-functions.md
+++ b/Calling-functions.md
@@ -1,3 +1,5 @@
+# Calling functions
+
 Function calls must follow a few rules in order to maintain readability throughout the project:
 
 **Do not add whitespace before the opening parenthesis**