diff --git a/frontend/src/types.ts b/frontend/src/types.ts
index bc8acaf..a3a9c55 100644
--- a/frontend/src/types.ts
+++ b/frontend/src/types.ts
@@ -17,3 +17,10 @@ export enum AppState {
   CODE_READY = "CODE_READY",
   INSTRUCTION_GENERATING = "INSTRUCTION_GENERATING",
 }
+
+export interface Instruction {
+  element: string;
+  mistake: string;
+  improvement: string;
+  location: string;
+}