diff --git a/paper-api/src/main/java/org/bukkit/plugin/SimplePluginManager.java b/paper-api/src/main/java/org/bukkit/plugin/SimplePluginManager.java
index 3e89adf86d..fb19a2ea49 100644
--- a/paper-api/src/main/java/org/bukkit/plugin/SimplePluginManager.java
+++ b/paper-api/src/main/java/org/bukkit/plugin/SimplePluginManager.java
@@ -383,7 +383,7 @@ public final class SimplePluginManager implements PluginManager {
             throw new IllegalArgumentException("Priority cannot be null");
         }
         if (plugin == null) {
-            throw new IllegalArgumentException("Priority cannot be null");
+            throw new IllegalArgumentException("Plugin cannot be null");
         }
         if (!plugin.isEnabled()) {
             throw new IllegalPluginAccessException("Plugin attempted to register " + type + " while not enabled");
@@ -412,7 +412,7 @@ public final class SimplePluginManager implements PluginManager {
             throw new IllegalArgumentException("Priority cannot be null");
         }
         if (plugin == null) {
-            throw new IllegalArgumentException("Priority cannot be null");
+            throw new IllegalArgumentException("Plugin cannot be null");
         }
         if (!plugin.isEnabled()) {
             throw new IllegalPluginAccessException("Plugin attempted to register " + type + " while not enabled");