Fix typo

Misc/python.man

@@ -338,7 +338,7 @@ in this file.
 Set this to a non-empty string to cause the \fItime\fP module to
 require dates specified as strings to include 4-digit years, otherwise
 2-digit years are converted based on rules described in the \fItime\fP
-module documnetation.
+module documentation.
 .IP PYTHONOPTIMIZE
 If this is set to a non-empty string it is equivalent to specifying
 the \fB\-O\fP option. If set to an integer, it is equivalent to