small doc formatting

coriolinus · Aug 29, 2023 · 63e29d6 · 63e29d6
1 parent f3bbdd7
commit 63e29d6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/lib.rs b/src/lib.rs
@@ -44,7 +44,7 @@
 //! let difference = counts - other_counts;
 //! ```
 //!
-//! Extend a `Counter` with another `Counter`:
+//! ## Extend a `Counter` with another `Counter`:
 //! ```rust
 //! # use counter::Counter;
 //! # use std::collections::HashMap;