diff --git a/core/assets/bundles/bundle.properties b/core/assets/bundles/bundle.properties
index 1b1e986783..74c88600fc 100644
--- a/core/assets/bundles/bundle.properties
+++ b/core/assets/bundles/bundle.properties
@@ -508,9 +508,9 @@ mode.survival.description = The normal mode. Limited resources and automatic inc
 mode.sandbox.name = Sandbox
 mode.sandbox.description = Infinite resources and no timer for waves.
 mode.pvp.name = PvP
-mode.pvp.description = Fight against other players locally.
+mode.pvp.description = Fight against other players locally. Requires at least 2 differently-colored cores in the map to play.
 mode.attack.name = Attack
-mode.attack.description = Destroy the enemy's base. No waves.
+mode.attack.description = Destroy the enemy's base. No waves. Requires a red core in the map to play.
 mode.custom = Custom Rules
 
 rules.infiniteresources = Infinite Resources