diff --git a/src/main/java/electroblob/wizardry/entity/living/EntityEvilWizard.java b/src/main/java/electroblob/wizardry/entity/living/EntityEvilWizard.java
index 44dc43b0..00b4d2e2 100644
--- a/src/main/java/electroblob/wizardry/entity/living/EntityEvilWizard.java
+++ b/src/main/java/electroblob/wizardry/entity/living/EntityEvilWizard.java
@@ -48,6 +48,7 @@ import net.minecraft.util.DamageSource;
 import net.minecraft.util.EnumHand;
 import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.SoundEvent;
+import net.minecraft.util.text.TextComponentTranslation;
 import net.minecraft.world.DifficultyInstance;
 import net.minecraft.world.EnumDifficulty;
 import net.minecraft.world.World;
@@ -250,8 +251,12 @@ public class EntityEvilWizard extends EntityMob implements ISpellCaster, IEntity
 
 		// When right-clicked with a spell book in creative, sets one of the spells to that spell
 		if(player.capabilities.isCreativeMode && stack.getItem() instanceof ItemSpellBook){
-			if(this.spells.size() >= 4 && Spell.get(stack.getItemDamage()).canBeCastByNPCs()){
-				this.spells.set(rand.nextInt(3) + 1, Spell.get(stack.getItemDamage()));
+			Spell spell = Spell.get(stack.getItemDamage());
+			if(this.spells.size() >= 4 && spell.canBeCastByNPCs()){
+				// The set(...) method returns the element that was replaced - neat!
+				player.sendMessage(new TextComponentTranslation("item." + Wizardry.MODID + ":spell_book.apply_to_wizard",
+						this.getDisplayName(), this.spells.set(rand.nextInt(3) + 1, spell).getNameForTranslationFormatted(),
+						spell.getNameForTranslationFormatted()));
 				return true;
 			}
 		}
diff --git a/src/main/java/electroblob/wizardry/entity/living/EntityWizard.java b/src/main/java/electroblob/wizardry/entity/living/EntityWizard.java
index 9c3a474f..9114aeba 100644
--- a/src/main/java/electroblob/wizardry/entity/living/EntityWizard.java
+++ b/src/main/java/electroblob/wizardry/entity/living/EntityWizard.java
@@ -67,6 +67,7 @@ import net.minecraft.util.DamageSource;
 import net.minecraft.util.EnumHand;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.text.ITextComponent;
+import net.minecraft.util.text.TextComponentTranslation;
 import net.minecraft.village.MerchantRecipe;
 import net.minecraft.village.MerchantRecipeList;
 import net.minecraft.world.DifficultyInstance;
@@ -372,8 +373,12 @@ public class EntityWizard extends EntityCreature implements INpc, IMerchant, ISp
 
 		// When right-clicked with a spell book in creative, sets one of the spells to that spell
 		if(player.capabilities.isCreativeMode && stack.getItem() instanceof ItemSpellBook){
-			if(this.spells.size() >= 4 && Spell.get(stack.getItemDamage()).canBeCastByNPCs()){
-				this.spells.set(rand.nextInt(3) + 1, Spell.get(stack.getItemDamage()));
+			Spell spell = Spell.get(stack.getItemDamage());
+			if(this.spells.size() >= 4 && spell.canBeCastByNPCs()){
+				// The set(...) method returns the element that was replaced - neat!
+				player.sendMessage(new TextComponentTranslation("item." + Wizardry.MODID + ":spell_book.apply_to_wizard",
+						this.getDisplayName(), this.spells.set(rand.nextInt(3) + 1, spell).getNameForTranslationFormatted(),
+						spell.getNameForTranslationFormatted()));
 				return true;
 			}
 		}
diff --git a/src/main/resources/assets/ebwizardry/lang/en_gb.lang b/src/main/resources/assets/ebwizardry/lang/en_gb.lang
index 720a3b1f..17165266 100644
--- a/src/main/resources/assets/ebwizardry/lang/en_gb.lang
+++ b/src/main/resources/assets/ebwizardry/lang/en_gb.lang
@@ -15,6 +15,8 @@ item.ebwizardry:advanced_wand.name=Advanced Wand
 item.ebwizardry:master_wand.name=Master Wand
 item.ebwizardry:spell_book.name=Spell Book
 
+item.ebwizardry:spell_book.apply_to_wizard=Replaced %1$s's spell %2$s with %3$s
+
 item.ebwizardry:arcane_tome.name=Tome of Arcana
 item.ebwizardry:arcane_tome.desc1=Upgrades any %1$s
 item.ebwizardry:arcane_tome.desc2=wand to %1$s tier
diff --git a/src/main/resources/assets/ebwizardry/lang/en_us.lang b/src/main/resources/assets/ebwizardry/lang/en_us.lang
index 7c14a457..fe97b0ae 100644
--- a/src/main/resources/assets/ebwizardry/lang/en_us.lang
+++ b/src/main/resources/assets/ebwizardry/lang/en_us.lang
@@ -15,6 +15,8 @@ item.ebwizardry:advanced_wand.name=Advanced Wand
 item.ebwizardry:master_wand.name=Master Wand
 item.ebwizardry:spell_book.name=Spell Book
 
+item.ebwizardry:spell_book.apply_to_wizard=Replaced %1$s's spell %2$s with %3$s
+
 item.ebwizardry:arcane_tome.name=Tome of Arcana
 item.ebwizardry:arcane_tome.desc1=Upgrades any %1$s
 item.ebwizardry:arcane_tome.desc2=wand to %1$s tier