Fix some info on damage radiuses

- Frag gren damage at origin isn't likely to be possible to achieve in practice since grenades bounce off of players, so damage at the edge of a player's hitbox should be more accurate in terms of the max damage dealt.

grenades/frag/README.md

@@ -10,6 +10,8 @@
 
 ## Damage and radius
 
-* At origin: 162
-* Radius: ~368 from origin (note: not from edge of player hitbox)
+* Damage at the edge of a player's hitbox: ~145
+* Damage at origin of a player: 162 (note: in practice, this damage isn't likely to be possible)
+* Self-damage from handhelding: ~120
+* Radius: ~368 from origin of a player, or ~352 from edge of a player's hitbox
 * Falloff: 0 damage at edge of radius

grenades/mirv/README.md

@@ -2,7 +2,9 @@
 
 ## Damage and radius
 
-* At origin: 162
-* Radius: ~368 from origin (note: not from edge of player hitbox)
+* Damage at the edge of a player's hitbox: ~145
+* Damage at origin of a player: 162 (note: in practice, this damage isn't likely to be possible)
+* Self-damage from handhelding: ~120
+* Radius: ~368 from origin of a player, or ~352 from edge of a player's hitbox
 * Falloff: 0 damage at edge of radius
 * Both the MIRV and MIRVlets do the same damage and have the same radius

weapons/rpg/README.md

@@ -17,8 +17,8 @@ All damage data was measured with the rocket exploding at the player's origin ex
 ![Chart: Frequency of RPG Damage at Player Origin](graphics/damage_frequency.png)
 
 #### Radius
-* Radius: ~125 from origin max (note: not from edge of player hitbox)
-* Radius also seems to vary based on the randomness of the damage, and seems to do about half damage at the edge of its radius
+* Max Radius: ~109 from edge of a player's hitbox (~125 from origin of a player)
+  - Radius also seems to vary based on the randomness of the damage, and seems to do about half damage at the edge of its radius
 
 ### Misc
 * Projectile Speed: 900