diff --git a/Timer.md b/Timer.md
index 911d385..eca575e 100644
--- a/Timer.md
+++ b/Timer.md
@@ -40,13 +40,21 @@ Timer.SetTimer(timedPrint, 1000, 5, "Hello! ");
 ```
 ---
 ### StopTimer
-TODO
-#### Syntax:
+Stops an existing timer.
 ```lua
-TODO
+StopTimer(timer timer);
 ```
+##### Required arguments
+- **timer:** The timer to stop
+
 #### Example:
 ```lua
-TODO
+local helloTimer;
+function timedHello()
+	print("Hello!");
+	-- Stop the timer after running once
+	Timer.StopTimer(helloTimer);
+end
+helloTimer = Timer.SetTimer(timedHello, 1000, 5);
 ```
 ---
\ No newline at end of file