Fix a typo in releaseTools.psm1 (#21306)

tools/releaseTools.psm1

@@ -180,7 +180,7 @@ function Get-ChangeLog
         ## but not reachable from the last release tag. Instead, we need to exclude the commits that were cherry-picked,
         ## and only include the commits that are not in the last release into the change log.
 
-        # Find the commits that were only in the orginal master, excluding those that were cherry-picked to release branch.
+        # Find the commits that were only in the original master, excluding those that were cherry-picked to release branch.
         $new_commits_from_other_parent = git --no-pager log --first-parent --cherry-pick --right-only "$tag_hash...$other_parent_hash" --format=$format | New-CommitNode
         # Find the commits that were only in the release branch, excluding those that were cherry-picked from master branch.
         $new_commits_from_last_release = git --no-pager log --first-parent --cherry-pick --left-only "$tag_hash...$other_parent_hash" --format=$format | New-CommitNode