diff --git a/src/main/java/org/bukkit/craftbukkit/legacy/CraftLegacy.java b/src/main/java/org/bukkit/craftbukkit/legacy/CraftLegacy.java
index 3e953b700..049e9f98d 100644
--- a/src/main/java/org/bukkit/craftbukkit/legacy/CraftLegacy.java
+++ b/src/main/java/org/bukkit/craftbukkit/legacy/CraftLegacy.java
@@ -113,7 +113,7 @@ public final class CraftLegacy {
     }
 
     public static Item fromLegacyData(Material material, short data) {
-        Preconditions.checkArgument(material.isLegacy(), "fromLegacyData on modern Material. Did you forget to define api-version: 1.13 in your plugin.yml?");
+        Preconditions.checkArgument(material.isLegacy(), "fromLegacyData on modern Material. Did you forget to define a modern (1.13+) api-version in your plugin.yml?");
 
         MaterialData materialData = new MaterialData(material, (byte) data);
 
diff --git a/src/main/java/org/bukkit/craftbukkit/util/Commodore.java b/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
index e3b49b726..2d334a594 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
@@ -173,7 +173,7 @@ public class Commodore
                                 Material.valueOf( "LEGACY_" + name );
                             } catch ( IllegalArgumentException ex )
                             {
-                                throw new AuthorNagException( "No legacy enum constant for " + name + ". Did you forget to define api-version: 1.13 in your plugin.yml?" );
+                                throw new AuthorNagException( "No legacy enum constant for " + name + ". Did you forget to define a modern (1.13+) api-version in your plugin.yml?" );
                             }
 
                             super.visitFieldInsn( opcode, owner, "LEGACY_" + name, desc );