diff --git a/doc/zmq_getsockopt.txt b/doc/zmq_getsockopt.txt
index 0415c8f9..5a1c56e7 100644
--- a/doc/zmq_getsockopt.txt
+++ b/doc/zmq_getsockopt.txt
@@ -120,8 +120,8 @@ Default value:: 0
 Applicable socket types:: N/A
 
 
-ZMQ_IDENTITY: Set socket identity
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ZMQ_IDENTITY: Retrieve socket identity
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 The 'ZMQ_IDENTITY' option shall retrieve the identity of the specified 'socket'.
 Socket identity is used only by request/reply pattern. Namely, it can be used
 in tandem with ROUTER socket to route messages to the peer with specific
@@ -134,7 +134,7 @@ starting with binary zero are reserved for use by 0MQ infrastructure.
 Option value type:: binary data
 Option value unit:: N/A
 Default value:: NULL
-Applicable socket types:: all
+Applicable socket types:: ZMQ_REP, ZMQ_REQ, ZMQ_ROUTER, ZMQ_DEALER.
 
 
 ZMQ_RATE: Retrieve multicast data rate
diff --git a/doc/zmq_setsockopt.txt b/doc/zmq_setsockopt.txt
index a63c0752..e53240b2 100644
--- a/doc/zmq_setsockopt.txt
+++ b/doc/zmq_setsockopt.txt
@@ -150,7 +150,7 @@ results shall be undefined.
 Option value type:: binary data
 Option value unit:: N/A
 Default value:: NULL
-Applicable socket types:: all
+Applicable socket types:: ZMQ_REQ, ZMQ_REP, ZMQ_ROUTER, ZMQ_DEALER.
 
 
 ZMQ_RATE: Set multicast data rate