fix spelling error in jira examples (#1185)

Co-authored-by: andy.hoang <[email protected]>

Author: Andy-Hoang

examples/jira/jira_add_label_tag.py

@@ -1,7 +1,7 @@
 # coding=utf-8
 from atlassian import Jira
 
-# This example shoes how to add another value to the Labels field
+# This example shows how to add another value to the Labels field
 # without losing the previously defined ones already defined
 
 issue_key = "TST-1"