fix GetApi interface validation errors not naming interface

2 files changed, 3 insertions, 2 deletions

diff --git a/docs/release-notes.md b/docs/release-notes.md
index cde7847e..d0b6d332 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -14,6 +14,7 @@
   * Dropped some deprecated APIs.
   * Fixed assets loaded by temporary content managers not being editable.
   * Fixed issue where assets didn't reload correctly when the player switches language.
+  * Fixed `helper.ModRegistry.GetApi` interface validation errors not mentioning which interface caused the issue.
 
 * For SMAPI developers:
   * Added more consistent crossplatform handling using a new `EnvironmentUtility`.
diff --git a/src/SMAPI/Framework/ModHelpers/ModRegistryHelper.cs b/src/SMAPI/Framework/ModHelpers/ModRegistryHelper.cs
index e579a830..008a80f5 100644
--- a/src/SMAPI/Framework/ModHelpers/ModRegistryHelper.cs
+++ b/src/SMAPI/Framework/ModHelpers/ModRegistryHelper.cs
@@ -82,12 +82,12 @@ namespace StardewModdingAPI.Framework.ModHelpers
             }
             if (!typeof(TInterface).IsInterface)
             {
-                this.Monitor.Log("Tried to map a mod-provided API to a class; must be a public interface.", LogLevel.Error);
+                this.Monitor.Log($"Tried to map a mod-provided API to class '{typeof(TInterface).FullName}'; must be a public interface.", LogLevel.Error);
                 return null;
             }
             if (!typeof(TInterface).IsPublic)
             {
-                this.Monitor.Log("Tried to map a mod-provided API to a non-public interface; must be a public interface.", LogLevel.Error);
+                this.Monitor.Log($"Tried to map a mod-provided API to non-public interface '{typeof(TInterface).FullName}'; must be a public interface.", LogLevel.Error);
                 return null;
             }