improve setting description

related to #50394

extensions/git/package.nls.json

@@ -99,7 +99,7 @@
 	"config.ignoredRepositories": "List of git repositories to ignore.",
 	"config.scanRepositories": "List of paths to search for git repositories in.",
 	"config.showProgress": "Controls whether git actions should show progress.",
-	"config.rebaseWhenSync": "Use rebase instead of merge when running the sync command.",
+	"config.rebaseWhenSync": "Force git to use rebase when running the sync command.",
 	"config.confirmEmptyCommits": "Always confirm the creation of empty commits.",
 	"config.fetchOnPull": "Fetch all branches when pulling or just the current one.",
 	"config.allowForcePush": "Controls whether force push (with or without lease) is enabled.",