Update README.md

Author: TwoTenPvP

README.md

@@ -34,6 +34,7 @@ There is also a autogenerated Sandcastle [API reference](https://twotenpvp.githu
 * Targeted Synced Vars \[[Wiki page](https://github.com/TwoTenPvP/MLAPI/wiki/SyncedVars#target)\]
 * Encryption \[[Wiki page](https://github.com/TwoTenPvP/MLAPI/wiki/Message-Encryption)\]
 * Super efficient BitWriter & BitReader \[[Wiki page](https://github.com/TwoTenPvP/MLAPI/wiki/BitWriter-&-BitReader)\]
+* Command & Rpc system like HLAPI to allow for quick transfer from HLAPI to MLAPI \[[Wiki page](https://github.com/TwoTenPvP/MLAPI/wiki/Attribute-Message-System)\]
 
 ## Example
 [Example project](https://github.com/TwoTenPvP/MLAPI-Examples)