comment update. min max channels is 2 realistically

include/yojimbo_constants.h

@@ -31,7 +31,7 @@ namespace yojimbo
 {
     const int MaxClients = 64;                                      ///< The maximum number of clients supported by this library. You can increase this if you want, but this library is designed around patterns that work best for [2,64] player games. If your game has less than 64 clients, reducing this will save memory.
 
-    const int MaxChannels = 2;                                      ///< The maximum number of message channels supported by this library. If you need less than 64 channels per-packet, reducing this will save memory.
+    const int MaxChannels = 2;                                      ///< The maximum number of message channels supported by this library. If you need less than 64 channels per-packet, reducing this will save memory. Minimum is 2.
 
     const int KeyBytes = 32;                                        ///< Size of encryption key for dedicated client/server in bytes. Must be equal to key size for libsodium encryption primitive. Do not change.