diff --git a/README.rst b/README.rst
index 0542a12..b3864b0 100644
--- a/README.rst
+++ b/README.rst
@@ -57,7 +57,7 @@ Future features
 * Windows support.
 * S3 core.
 * Multi-core caching.
-.. https://github.com/WoLpH/portalocker
+
 
 Use
 ===
diff --git a/cachier/pickle_core.py b/cachier/pickle_core.py
index 55b7d47..6df4d5c 100644
--- a/cachier/pickle_core.py
+++ b/cachier/pickle_core.py
@@ -14,6 +14,7 @@ from datetime import datetime
 
 from watchdog.observers import Observer
 from watchdog.events import PatternMatchingEventHandler
+#Altenative:  https://github.com/WoLpH/portalocker
 
 from .base_core import _BaseCore