diff --git a/TunnelVisionLabs.ReferenceAssemblyAnnotator/AnnotatorBuildTask.cs b/TunnelVisionLabs.ReferenceAssemblyAnnotator/AnnotatorBuildTask.cs
index d98868f..d6cd497 100644
--- a/TunnelVisionLabs.ReferenceAssemblyAnnotator/AnnotatorBuildTask.cs
+++ b/TunnelVisionLabs.ReferenceAssemblyAnnotator/AnnotatorBuildTask.cs
@@ -58,13 +58,13 @@ public override bool Execute()
 
             if (unannotatedReferenceAssembly is null)
             {
-                Log.LogError("Could not find input reference assembly");
+                Log.LogError($"Could not find input reference assembly '{UnannotatedReferenceAssembly}'");
                 return false;
             }
 
             if (!foundAnnotatedAssembly)
             {
-                Log.LogError("Could not find input annotated reference assembly");
+                Log.LogError($"Could not find input annotated reference assembly for '{UnannotatedReferenceAssembly}'");
                 return false;
             }