fixed 'Created by...'

- signed-off-by: trimstray <trimstray@gmail.com>

README.md

@@ -27,7 +27,7 @@
 <div align="center">
   <sub>Created by
   <a href="https://twitter.com/trimstray">trimstray</a> and
-  <a href="https://github.com/trimstray/nginx-quick-reference/graphs/contributors">contributors</a>
+  <a href="https://github.com/trimstray/the-book-of-secret-knowledge/graphs/contributors">contributors</a>
 </div>
 
 <br>