diff --git a/Misc/python.man b/Misc/python.man
--- a/Misc/python.man
+++ b/Misc/python.man
@@ -111,7 +111,7 @@
 .TP
 .B \-B
 Don't write
-.I .py[co]
+.I .pyc
 files on import. See also PYTHONDONTWRITEBYTECODE.
 .TP
 .B \-b
@@ -391,7 +391,7 @@
 .IP PYTHONDONTWRITEBYTECODE
 If this is set to a non-empty string it is equivalent to specifying
 the \fB\-B\fP option (don't try to write
-.I .py[co]
+.I .pyc
 files).
 .IP PYTHONINSPECT
 If this is set to a non-empty string it is equivalent to specifying