Typo.  (Andrew Dalke, without kjpylint)
diff --git a/Lib/profile.py b/Lib/profile.py
index d942e30..c1f8f5b 100755
--- a/Lib/profile.py
+++ b/Lib/profile.py
@@ -264,7 +264,7 @@
 		return 1
 
 	# The next few function play with self.cmd. By carefully preloading
-	# our paralell stack, we can force the profiled result to include
+	# our parallel stack, we can force the profiled result to include
 	# an arbitrary string as the name of the calling function.
 	# We use self.cmd as that string, and the resulting stats look
 	# very nice :-).