CHANGELOG.md in search_flip-3.0.0.beta4 vs CHANGELOG.md in search_flip-3.0.0.beta5

@@ -21,9 +21,10 @@
 * `Connection#freeze_index`, `Connection#unfreeze_index`, `Index#freeze_index`
    and `Index#unfreeze_index` added
 * Added `SearchFlip::Result.from_hit`
 * Added support for `source`, `sort`, `page`, `per`, `paginate`, `explain`, and
   `highlight` to aggregations
+* Added support for instrumentation
 
 ## v2.3.1
 
 * Make `search_flip` work with hashie 4.0.0