diff --git a/README.md b/README.md
index 4dc6b28..e6cc59e 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,8 @@
-Modified version of [OpenSymphony's OSCache](https://bitbucket.org/opensymphony/oscache/) with support for automatically generating keys that take in consideration the server port (HTTP, HTTPS).
\ No newline at end of file
+Modified version of [OpenSymphony's OSCache](https://bitbucket.org/opensymphony/oscache/) with support for automatically generating keys that take in consideration the server port (HTTP, HTTPS).
+
+To enable add the following to `oscache.properties`:
+
+```ini
+cache.use.host.domain.in.key=true
+```
+