Added function definition.

Colored-stats-by-nature-in-summary-screen.md

@@ -11,6 +11,19 @@ All of our changes will be in [src/pokemon_summary_screen.c](..blob/master/src/p
 
 We will write a new function that accepts the nature modification as a parameter and colors the stats accordingly. Add this function:
 
+```diff
+//...
+  static void SetMainMoveSelectorColor(u8 whichColor);
+  static void KeepMoveSelectorVisible(u8 firstSpriteId);
++ static void BufferStat(u8 *dst, s8 natureMod, u32 stat, u32 strId, u32 n);
+
+  // const rom data
+  #include "data/text/move_descriptions.h"
+  #include "data/text/nature_names.h"
+//...
+
+```
+
 ```c
 static void BufferStat(u8 *dst, s8 natureMod, u32 stat, u32 strId, u32 n)
 {