diff --git a/mappings/net/minecraft/client/settings/GameOptions.mapping b/mappings/net/minecraft/client/settings/GameOptions.mapping
index 9aa07f0bf1..f1f87f30ee 100644
--- a/mappings/net/minecraft/client/settings/GameOptions.mapping
+++ b/mappings/net/minecraft/client/settings/GameOptions.mapping
@@ -54,6 +54,7 @@ CLASS coh net/minecraft/client/settings/GameOptions
 		METHOD b isToggle ()Z
 		METHOD c getId ()I
 		METHOD d getTranslationKey ()Ljava/lang/String;
+		METHOD d roundToStep (D)D
 		METHOD e getMinimumValue ()D
 		METHOD f getMaximumValue ()D
 	FIELD A mainHand Lags;
diff --git a/mappings/net/minecraft/entity/effect/StatusEffectInstnace.mapping b/mappings/net/minecraft/entity/effect/StatusEffectInstance.mapping
similarity index 94%
rename from mappings/net/minecraft/entity/effect/StatusEffectInstnace.mapping
rename to mappings/net/minecraft/entity/effect/StatusEffectInstance.mapping
index 7c19b4a7fc..38f46b2a59 100644
--- a/mappings/net/minecraft/entity/effect/StatusEffectInstnace.mapping
+++ b/mappings/net/minecraft/entity/effect/StatusEffectInstance.mapping
@@ -1,4 +1,4 @@
-CLASS agd net/minecraft/entity/effect/StatusEffectInstnace
+CLASS agd net/minecraft/entity/effect/StatusEffectInstance
 	FIELD a LOGGER Lorg/apache/logging/log4j/Logger;
 	FIELD b type Lagc;
 	FIELD c duration I