Update wording in CHANGELOG.md

Improved the clarity and precision of language used in the CHANGELOG.md file. Specifically, this includes modifying ambiguous sentences and rectifying grammatically incorrect sentences to enhance overall readability.

CHANGELOG.md

@@ -25,7 +25,7 @@
 
 ## [1.0.0] (2024-03-XX)
 
-Release of v1. Now change the development process to an incremental updates, use of the changelog and semantic
+Release of v1. Now we move the development process to incremental updates with use of the changelog and semantic
 versioning.
 _Cooperative Cuisine_ **v1** is feature complete. It contains a usable _Overcooked!_-like environment, game server,
 study server, 2D visualization, etc.
@@ -48,8 +48,8 @@ study server, 2D visualization, etc.
 
 - To manage environments on the game server, the "manager" needs to have a valid `manager_id` which is registered in the
   game server.
-- Registered players (humans and agents) need to connect to a websockets that are preregistered with a `client_id`.
-- Each player actions need to be references with a `player_hash` that should only be known by the player / client that
+- Registered players (humans and agents) need to connect to websockets which were preregistered with a `client_id`.
+- Each player actions need to reference a `player_hash` that should only be known by the player / client that
   controls the player.
 
 ## 0.1.0 (2023-11-23)