Fix `MANY_SINGLE_CHAR_NAMES`'s docs

diff --git a/clippy_lints/src/non_expressive_names.rs b/clippy_lints/src/non_expressive_names.rs
index 17f12afcaec9c5dd8c2140d1a7b0244bfbf3dd5e..6d3f44036c062384040b5ff35880e15dd7353821 100644 (file)
--- a/clippy_lints/src/non_expressive_names.rs
+++ b/clippy_lints/src/non_expressive_names.rs
@@ -25,7 +25,11 @@
 ///
 /// **Known problems:** None?
 ///
-/// **Example:** let (a, b, c, d, e, f, g) = (...);
+/// **Example:**
+///
+/// ```rust
+/// let (a, b, c, d, e, f, g) = (...);
+/// ```
 declare_lint! {
     pub MANY_SINGLE_CHAR_NAMES,
     Warn,