gh-106318: Update Doc/library/stdtypes.rst

Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>

Author: adorilson

Doc/library/stdtypes.rst

@@ -2145,7 +2145,7 @@ expression support in the :mod:`re` module).
 
       >>> ''.isprintable(), ' '.isprintable()
       (True, True)
-      >>> '\t'.isprintable(), '\n'.isprintable() # TAB and BREAK LINE
+      >>> '\t'.isprintable(), '\n'.isprintable()
       (False, False)