diff --git a/docs/docs_client.rst b/docs/docs_client.rst
index a0ef78439..d20b5d2b0 100644
--- a/docs/docs_client.rst
+++ b/docs/docs_client.rst
@@ -834,7 +834,7 @@ Emitted when a member is removed from a server. Supplies a Server_ object and a
 serverMemberUpdated
 ~~~~~~~~~~~~~~~~~~~
 
-Emitted when a member in a server is updated. Supplies a Server_ object and a User_ object.
+Emitted when a member in a server is updated. Supplies a Server_ object and 2 User_ objects, the first being the new, updated user, the second being the old one.
 
 presence
 ~~~~~~~~
diff --git a/lib/Constants.js b/lib/Constants.js
index 166634a97..8ab6ab206 100644
--- a/lib/Constants.js
+++ b/lib/Constants.js
@@ -89,6 +89,8 @@ var Permissions = {
 	manageChannels: 1 << 4,
 	manageChannel: 1 << 4,
 	manageServer: 1 << 5,
+	changeNickname: 1 << 26,
+	manageNicknames: 1 << 27,
 	// text
 	readMessages: 1 << 10,
 	sendMessages: 1 << 11,
diff --git a/src/Constants.js b/src/Constants.js
index 7723da8dc..c74e2d180 100644
--- a/src/Constants.js
+++ b/src/Constants.js
@@ -48,6 +48,8 @@ export const Permissions = {
 	manageChannels: 1 << 4,
 	manageChannel: 1 << 4,
 	manageServer: 1 << 5,
+	changeNickname: 1 << 26,
+	manageNicknames: 1 << 27,
 	// text
 	readMessages: 1 << 10,
 	sendMessages: 1 << 11,