diff --git a/include/config.h b/include/config.h
index fbfd1e7238..9d183e0018 100644
--- a/include/config.h
+++ b/include/config.h
@@ -75,6 +75,6 @@
 
 // General settings
 #define EXPANSION_INTRO   TRUE    // If TRUE, a custom RHH intro will play after the vanilla copyright screen.
-#define POKEDEX_PLUS_HGSS TRUE
+#define POKEDEX_PLUS_HGSS TRUE    // If TRUE, enables the custom HGSS style Pokedex.
 
 #endif // GUARD_CONFIG_H