Issue #3454335: Fixed the cspell issues.

Closes #3454335

config/schema/config_snapshot.schema.yml

@@ -27,7 +27,7 @@ config_snapshot.snapshot.*:
           name:
             type: text
             label: 'Name'
-          # We have arbitrary config data here that has been snaphotted. We
+          # We have arbitrary config data here that has been snapshotted. We
           # can't give it a better type.
           data:
             type: ignore