diff --git a/step00d_assignability_error/app.ts b/step00d_assignability_error/app.ts
index d0b4b9ed..22d740c3 100644
--- a/step00d_assignability_error/app.ts
+++ b/step00d_assignability_error/app.ts
@@ -1,4 +1,6 @@
-let message = "Hello World";
-message = 6;
-console.log(message);
-        
+//An assignability error in TypeScript occurs when you attempt to assign a value to a variable or property in a way that does not conform to its declared type.
+
+let myName: string
+myName = 22 // Here, trying to assign the number 22 to myName. Since myName is declared to hold only string values, TypeScript throws an assignability error: Type 'number' is not assignable to type 'string'
+
+console.log(myName);