diff --git a/Add-own-functionality.md b/Add-own-functionality.md
index ba7b095..bf2443a 100644
--- a/Add-own-functionality.md
+++ b/Add-own-functionality.md
@@ -73,7 +73,7 @@ Here is a step-by-step guide on how to make your effect:
 
 2. Add your own routine in FX.cpp starting with: `uint16_t WS2812FX::mode_custom`
 
-3. Add to total number of effects in FX.h line 101: `#define MODE_COUNT` 
+3. Add to total number of effects in FX.h line 110: `#define MODE_COUNT` 
 
 4. Add your mode number (ie` #define FX_MODE_CUSTOM                   110`) in FX.h around line 200.