Use <details>

README.md

@@ -35,9 +35,8 @@ The following command will download and compile Rustlings:
 cargo install rustlings@6.0.0-beta.3
 ```
 
-#### Troubleshooting
-
-If the installation fails…
+<details>
+<summary>🐛 If the installation fails…</summary>
 
 <!-- TODO: Remove @6.0.0-beta.x -->
 
@@ -45,6 +44,8 @@ If the installation fails…
 - Try adding the `--locked` flag: `cargo install rustlings --locked`
 - Otherwise, please [report an issue](https://github.com/rust-lang/rustlings/issues/new).
 
+</details>
+
 ### Initialization
 
 After installing Rustlings, run the following command to initialize the `rustlings/` directory: