fix grammer

MichaelBuessemeyer · MichaelBuessemeyer · commit 7a77a7ae3600 · 2026-03-23T11:39:57.000+01:00
diff --git a/unreleased_changes/9412.md b/unreleased_changes/9412.md
@@ -1,2 +1,2 @@
 ### Fixed
-- Fixed a bug where the initial operation of a proofreading annotation failed if it a split action.
+- Fixed a bug where the initial operation of a proofreading annotation failed if it is split action.

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1,2 @@`
`1`	`1`	`### Fixed`
`2`		`-- Fixed a bug where the initial operation of a proofreading annotation failed if it a split action.`
	`2`	`+- Fixed a bug where the initial operation of a proofreading annotation failed if it is split action.`