whitespace normalisation
diff --git a/Lib/test/test_pty.py b/Lib/test/test_pty.py
index 3a90dd8..99e01b6 100644
--- a/Lib/test/test_pty.py
+++ b/Lib/test/test_pty.py
@@ -22,7 +22,7 @@
# Some operating systems do conversions on newline. We could possibly
# fix that by doing the appropriate termios.tcsetattr()s. I couldn't
# figure out the right combo on Tru64 and I don't have an IRIX box.
- # So just normalize the output and doc the problem O/Ses by allowing
+ # So just normalize the output and doc the problem O/Ses by allowing
# certain combinations for some platforms, but avoid allowing other
# differences (like extra whitespace, trailing garbage, etc.)