diff --git a/README.md b/README.md
index 52fbde0..d2086f1 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@ Content
 =======
 * **server_extensions_api** - contains extension api that all extensions use to extend BATM Server's functionality.
 * **server_extensions_extra** - reference extension implementation that implements BTC, LTC, DOGE, NLG, ICG, NBT, GRS and MAX coin support functionality.
+* **server_extensions_test** - contains tester for testing the extensions without requirement of having a BATM server
 
 Build information
 =================
@@ -38,3 +39,15 @@ cp server_extensions_extra/dist/batm_server_extensions_extra.jar /batm/app/maste
 Note for developers
 ==========
 When you implement support for new crypto-coin add it please to **server_extensions_extra** this way it will get into default BATM Server installation pack for customers.
+
+After you implement the the extension make sure you test it with Tester which you will find in **server_extensions_test**
+
+How to run Tester
+==========
+```bash
+cd server_extensions_test
+ant
+cd dist
+./tester.sh -j ../../server_extensions_extra/dist/batm_server_extensions_extra.jar 
+```
+