diff --git a/docs/usage.rst b/docs/usage.rst
index 675d9e9e..86cba845 100644
--- a/docs/usage.rst
+++ b/docs/usage.rst
@@ -84,6 +84,6 @@ The following example demonstrates how to use CacheLib as a session backend with
 
     SESSION_TYPE = 'cachelib'
     SESSION_SERIALIZATION_FORMAT = 'json'
-    SESSION_CACHELIB = FileSystemCache(threshold=500, cache_dir="/sessions"),
+    SESSION_CACHELIB = FileSystemCache(threshold=500, cache_dir="/sessions")
     app.config.from_object(__name__)
     Session(app)
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