diff --git a/dist/index.js b/dist/index.js
index 9b59115..82dc552 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -215,7 +215,7 @@ class DotnetVersionResolver {
         const ValidatingRegEx = /^\d+.\d+/i;
         const ReplacingRegEx = /^(\d+.\d+).[x/*]$/i;
         if (!ValidatingRegEx.test(this.inputVersion)) {
-            throw new Error('Invalid version format! Supported: A.B.C, A.B.C-D, A.B, A.B.x, A.B.X, A.B.*');
+            throw new Error(`dotnet-version was supplied in invalid format: ${this.inputVersion}! Supported: A.B.C, A.B.C-D, A.B, A.B.x, A.B.X, A.B.*`);
         }
         if (semver_1.default.valid(this.inputVersion)) {
             this.resolvedArgument.type = 'version';
diff --git a/src/installer.ts b/src/installer.ts
index d7e7105..3fa23da 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -45,7 +45,7 @@ export class DotnetVersionResolver {
     const ReplacingRegEx = /^(\d+.\d+).[x/*]$/i;
     if (!ValidatingRegEx.test(this.inputVersion)) {
       throw new Error(
-        'Invalid version format! Supported: A.B.C, A.B.C-D, A.B, A.B.x, A.B.X, A.B.*'
+        `dotnet-version was supplied in invalid format: ${this.inputVersion}! Supported: A.B.C, A.B.C-D, A.B, A.B.x, A.B.X, A.B.*`
       );
     }
     if (semver.valid(this.inputVersion)) {