diff --git a/server/README.md b/server/README.md
index 09098d026..306ebee12 100644
--- a/server/README.md
+++ b/server/README.md
@@ -9,8 +9,9 @@ The game server currently runs on nodejs v0.4.7 (but should run fine on the late
 - websocket
 - websocket-server
 - sanitizer
+- memcache
 
-All of them can be installed via `npm install [module_name]`
+All of them can be installed via `npm install -d`
 
 
 Configuration
@@ -38,4 +39,4 @@ The server has a status URL which can be used as a health check or simply as a w
 
 Send a GET request to: `http://[host]:[port]/status`
 
-It will return a JSON array containing the number of players in all instanced worlds on this game server.
\ No newline at end of file
+It will return a JSON array containing the number of players in all instanced worlds on this game server.