[FIX] Capitalization consistency

web_tree_image/README.rst

@@ -8,10 +8,10 @@ definition. Optionally, set a 'height' tag. Default height is 16px.
 If you use the widget with a character field, the content of the field can be
 any of the following:
 
-* the absolute or relative location of an image. For example,
+* The absolute or relative location of an image. For example,
   "/<module>/static/src/img/youricon.png"
 
-* a standard icon from the web distribution, without path or extension, For
+* A standard icon from the web distribution, without path or extension, For
   example, 'gtk-open'
 
 * A dynamic image in a data url base 64 format. Prefix with