Update README.md

Author: PyCSharp

README.md

@@ -22,7 +22,7 @@
 
 3. Controls:  
    - Cursor: `←` / `→`  
-   - A, B, C, D, E, F: `=` / `3` / `𝒙` / `𝒚` / `𝒛` / `^` / `÷`
+   - A, B, C, D, E, F: `=` / `𝒙` / `𝒚` / `𝒛` / `^` / `÷`
    - `Clear` = quit  
 
 4. Dumping memory: