Fix recent releasenotes typo

The word "Switch" is misspelled as "Swich" in one of the
releasenotes. This patch corrects the typo.

Change-Id: I8202f5fb47c83a6691765e0c1974c3dca3b6e80e
diff --git a/releasenotes/notes/deprecate-compute-images-client-in-volume-tests-92b6dd55fcaba620.yaml b/releasenotes/notes/deprecate-compute-images-client-in-volume-tests-92b6dd55fcaba620.yaml
index dc4ed27..1ae251c 100644
--- a/releasenotes/notes/deprecate-compute-images-client-in-volume-tests-92b6dd55fcaba620.yaml
+++ b/releasenotes/notes/deprecate-compute-images-client-in-volume-tests-92b6dd55fcaba620.yaml
@@ -6,5 +6,5 @@
     compute_images_client and Glance v1 APIs are removed in volume tests.
 upgrade:
   - |
-    Swith to use Glance v2 APIs in volume tests, by adding the Glance v2 client
-    images_client.
+    Switch to use Glance v2 APIs in volume tests, by adding the Glance v2
+    client images_client.