Typo fix

pep-3150.txt

@@ -137,7 +137,7 @@ listed so that nonsense like the following is disallowed::
 
 However, even this is inadequate, as it creates problems for the definition
 of simple_stmt (which allows chaining of multiple single line statements
-with ";" rather than "\n").
+with ";" rather than "\\n").
 
 So the above syntax change should instead be taken as a statement of intent.
 Any actual proposal would need to resolve the simple_stmt parsing problem