Start misc battle documentation

include/gym_leader_rematch.h

@@ -66,7 +66,7 @@ enum {
     REMATCH_TRENT,
     REMATCH_SAWYER,
     REMATCH_KIRA_AND_DAN,
-    REMATCH_WALLY_3,  // Entries above WALLY are considered normal trainers, from Wally below are special trainers
+    REMATCH_WALLY_VR,  // Entries above WALLY are considered normal trainers, from Wally below are special trainers
     REMATCH_ROXANNE,
     REMATCH_BRAWLY,
     REMATCH_WATTSON,
@@ -75,7 +75,7 @@ enum {
     REMATCH_WINONA,
     REMATCH_TATE_AND_LIZA,
     REMATCH_JUAN,
-    REMATCH_SIDNEY, // Entries below SIDNEY are considered part of REMATCH_ELITE_FOUR_ENTRIES.
+    REMATCH_SIDNEY, // Entries from SIDNEY below are considered part of REMATCH_ELITE_FOUR_ENTRIES.
     REMATCH_PHOEBE,
     REMATCH_GLACIA,
     REMATCH_DRAKE,
@@ -83,7 +83,7 @@ enum {
     REMATCH_TABLE_ENTRIES // The total number of rematch entries. Must be last in enum
 };
 
-#define REMATCH_SPECIAL_TRAINER_START   REMATCH_WALLY_3
+#define REMATCH_SPECIAL_TRAINER_START   REMATCH_WALLY_VR
 #define REMATCH_ELITE_FOUR_ENTRIES      REMATCH_SIDNEY
 
 void UpdateGymLeaderRematch(void);