Fix typo

Change-Id: I8d705a0d31f36242f8a93591a2c0fc69ee6847a0
Reviewed-on: https://gerrit.libreoffice.org/71911Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

sw/qa/python/xtext.py

@@ -40,7 +40,7 @@ class TestXText(unittest.TestCase):
         # no exception if we try to replace object by itself:
         # this did throw in the past, but only because the inserted
         # UNO annotation had a core object assigned, but no document
-        # which insertTextContent then didnt like on another call.
+        # which insertTextContent then didn't like on another call.
         x_text.insertTextContent(x_cursor, x_annotation, True)
 
         # We expect just one annotation actually