Updated Add own functionality (markdown)

Add-own-functionality.md

@@ -27,8 +27,8 @@ After updating the color, you must call the `colorUpdated(int)` method. If you w
 ### Timing
 
 If you'd just like a simple modification that requires timing (like sending a request every 2 seconds), please **never** use the `delay()` function in your `userLoop()`! It will block everything else and WLED will become unresponsive and effects won't work! Instead, try this instead:
-```
-long lastTime;
+```cpp
+long lastTime = 0;
 int delayMs = 2000; //we want to do something every 2 seconds
 
 void userLoop()