diff --git a/satella/posix/pidlock.py b/satella/posix/pidlock.py
index 39e1d0d3c8e4bb21dca74665d937bd1f0d12fe5a..11eac0ca537c9944f7876bc6d2f1bc1479b7560c 100644
--- a/satella/posix/pidlock.py
+++ b/satella/posix/pidlock.py
@@ -21,8 +21,6 @@ class PIDFileLock:
     """
     Acquire a PID lock file.
 
-    Usable also on Windows
-
     Usage:
 
     >>> with PIDFileLock('myservice.pid'):