diff --git a/dist/index.js b/dist/index.js
index 093671e03..649f940f3 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -371,7 +371,7 @@ class DotnetCoreInstaller {
             scriptArguments.push(option, this.quality);
         }
         else {
-            core.warning(`'dotnet-quality' input can be used only with .NET SDK version in A.B, A.B.x, A and A.x formats where the major tag is higher than 5. You specified: ${this.version}. 'dotnet-quality' input is ignored.`);
+            core.warning(`'dotnet-quality' input can be used only with .NET SDK version in A.B, A.B.x, A, A.x and A.B.Cxx formats where the major tag is higher than 5. You specified: ${this.version}. 'dotnet-quality' input is ignored.`);
         }
     }
     installDotnet() {
diff --git a/src/installer.ts b/src/installer.ts
index d31ec0039..18aef2201 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -192,7 +192,7 @@ export class DotnetCoreInstaller {
       scriptArguments.push(option, this.quality);
     } else {
       core.warning(
-        `'dotnet-quality' input can be used only with .NET SDK version in A.B, A.B.x, A and A.x formats where the major tag is higher than 5. You specified: ${this.version}. 'dotnet-quality' input is ignored.`
+        `'dotnet-quality' input can be used only with .NET SDK version in A.B, A.B.x, A, A.x and A.B.Cxx formats where the major tag is higher than 5. You specified: ${this.version}. 'dotnet-quality' input is ignored.`
       );
     }
   }