docs: add missing changelog and fix stage_raise_hand grammar (#1924)

Author: JustaSqu1d

CHANGELOG.md

@@ -10,7 +10,10 @@ possible (see our [Version Guarantees] for more info).
 
 These changes are available on the `master` branch, but have not yet been released.
 
-_No changes yet_
+### Fixed
+
+- Fixed the type-hinting of `SlashCommandGroup.walk_commands()` to reflect actual
+  behavior. ([#1852](https://github.com/Pycord-Development/pycord/pull/1852))
 
 ## [2.4.0] - 2023-02-10
 

docs/api/enums.rst

@@ -279,7 +279,7 @@ of :class:`enum.Enum`.
 
     .. attribute:: stage_raise_hand
 
-        The system message denoting that a stage event has someone has raised their hand.
+        The system message denoting that someone in a stage event is raising their hand.
 
         .. versionadded:: 2.4