diff --git a/ibfi-ts/src/brainfuck/Interpreter.ts b/ibfi-ts/src/brainfuck/Interpreter.ts
index 05b0def..66560f3 100644
--- a/ibfi-ts/src/brainfuck/Interpreter.ts
+++ b/ibfi-ts/src/brainfuck/Interpreter.ts
@@ -114,10 +114,6 @@ export default class Interpreter {
         }
     }
 
-    public prev() {
-        // - will add some day
-    }
-
     get reachedEnd(): boolean {
         return this._programCounter === this._code.length;
     }
diff --git a/ibfi-ts/src/components/CodeDisplay.tsx b/ibfi-ts/src/components/CodeDisplay.tsx
index bf24899..9d2d5ab 100644
--- a/ibfi-ts/src/components/CodeDisplay.tsx
+++ b/ibfi-ts/src/components/CodeDisplay.tsx
@@ -12,9 +12,9 @@ const CodeDisplay = ({code, index}: CodeDisplayProps) => {
 
     return (
         <div className="code-display-wrapper">
-            <span>{firstCodePart}</span>
-            <span style={{backgroundColor: "red"}}>{code[index] || " "}</span>
-            <span>{secondCodePart}</span>
+            <code>{firstCodePart}</code>
+            <code style={{backgroundColor: "red"}}>{code[index] || " "}</code>
+            <code>{secondCodePart}</code>
         </div>
     );
 };