Issue #26778: Fixed "a/an/and" typos in code comment and documentation.
diff --git a/Demo/tix/samples/Balloon.py b/Demo/tix/samples/Balloon.py
index 2295905..576b4ed 100644
--- a/Demo/tix/samples/Balloon.py
+++ b/Demo/tix/samples/Balloon.py
@@ -11,7 +11,7 @@
# program.
# This file demonstrates the use of the tixBalloon widget, which provides
-# a interesting way to give help tips about elements in your user interface.
+# an interesting way to give help tips about elements in your user interface.
# Your can display the help message in a "balloon" and a status bar widget.
#