diff --git a/js/battle.js b/js/battle.js
index eec18f83d..43f63e7c4 100644
--- a/js/battle.js
+++ b/js/battle.js
@@ -4444,6 +4444,12 @@ function Battle(frame, logFrame, noPreload) {
 				case 'gravity':
 					actions += "Gravity intensified!";
 					break;
+				case 'mudsport':
+					actions += "Electric's power was weakened!";
+					break;
+				case 'watersport':
+					actions += "Fire's power was weakened!";
+					break;
 				default:
 					actions += effect.name+" started!";
 					break;
@@ -4468,6 +4474,12 @@ function Battle(frame, logFrame, noPreload) {
 				case 'gravity':
 					actions += 'Gravity returned to normal!';
 					break;
+				case 'mudsport':
+					actions += 'The effects of Mud Sport have faded.';
+					break;
+				case 'watersport':
+					actions += 'The effects of Water Sport have faded.';
+					break;
 				default:
 					actions += effect.name+" ended!";
 					break;