diff --git a/docs/usage.md b/docs/usage.md
index 4f5fdd7..504589a 100644
--- a/docs/usage.md
+++ b/docs/usage.md
@@ -147,4 +147,4 @@ db = hyperscan.loadb(serialized)
 [5]: https://github.com/darvid/python-hyperscan/issues
 [6]: http://intel.github.io/hyperscan/dev-reference/api_files.html#c.match_event_handler
 [7]: http://intel.github.io/hyperscan/dev-reference/runtime.html#scratch-space
-[8]: https://intel.github.io/hyperscan/dev-reference/serialization.html
\ No newline at end of file
+[8]: https://intel.github.io/hyperscan/dev-reference/serialization.html