Fix typo in changelog

Author: jannic

CHANGELOG.md

@@ -11,7 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Fix panic in `tlsf::Heap::used`.
 - Fix panic in `tlsf::Heap::free` in case the value returned from `insert_free_block_ptr`
-  does not conver the full memory range passed in.
+  does not cover the full memory range passed in.
 
 ## [v0.7.0] - 2026-01-03