Fix comment mistake

src/field_effect_helpers.c

@@ -488,7 +488,7 @@ void UpdateLongGrassFieldEffect(struct Sprite *sprite)
 #undef sObjectMoved
 
 // Effectively unused as it's not possible in vanilla to jump onto long grass (no adjacent ledges, and can't ride the Acro Bike in it).
-// The graphics for this effect do not visually correspond to tall grass either. Perhaps these graphics were its original design?
+// The graphics for this effect do not visually correspond to long grass either. Perhaps these graphics were its original design?
 u32 FldEff_JumpLongGrass(void)
 {
     u8 spriteId;