Fix a typo in a comment.
diff --git a/pym/portage/locks.py b/pym/portage/locks.py
index a645e25..9fee5ae 100644
--- a/pym/portage/locks.py
+++ b/pym/portage/locks.py
@@ -320,7 +320,7 @@
 	myhardlock = hardlock_name(lockfilename)
 
 	# myhardlock must not exist prior to our link() call, and we can
-	# can safely unlink it since its file name is unique to our PID
+	# safely unlink it since its file name is unique to our PID
 	try:
 		os.unlink(myhardlock)
 	except OSError as e: