diff --git a/README.rst b/README.rst
index 6494b550..24e7b7d5 100644
--- a/README.rst
+++ b/README.rst
@@ -16,7 +16,7 @@ We didn't cover everything, but we have Python binding of this libary.
 Development Status
 ------------------
 
-We started to implement h2-12
+We started to implement h2-lc
 (http://tools.ietf.org/html/draft-ietf-httpbis-http2-12) and the
 header compression
 (http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-07).
@@ -179,10 +179,10 @@ output from ``nghttp`` client::
 
     $ src/nghttp -nv https://nghttp2.org
     [  0.033][NPN] server offers:
-              * h2-12
+              * h2-lc
               * spdy/3.1
               * http/1.1
-    The negotiated protocol: h2-12
+    The negotiated protocol: h2-lc
     [  0.068] send SETTINGS frame <length=15, flags=0x00, stream_id=0>
               (niv=3)
               [SETTINGS_MAX_CONCURRENT_STREAMS(3):100]
@@ -251,7 +251,7 @@ The HTTP Upgrade is performed like this::
     GET / HTTP/1.1
     Host: nghttp2.org
     Connection: Upgrade, HTTP2-Settings
-    Upgrade: h2c-12
+    Upgrade: h2c-lc
     HTTP2-Settings: AwAAAGQEAAD__wUAAAAB
     Accept: */*
     User-Agent: nghttp2/0.4.0-DEV
@@ -260,7 +260,7 @@ The HTTP Upgrade is performed like this::
     [  0.024] HTTP Upgrade response
     HTTP/1.1 101 Switching Protocols
     Connection: Upgrade
-    Upgrade: h2c-12
+    Upgrade: h2c-lc
 
 
     [  0.024] HTTP Upgrade success
@@ -274,7 +274,7 @@ The HTTP Upgrade is performed like this::
               [SETTINGS_MAX_CONCURRENT_STREAMS(3):100]
               [SETTINGS_INITIAL_WINDOW_SIZE(4):65535]
     [  0.024] recv ALTSVC frame <length=43, flags=0x00, stream_id=0>
-              (max-age=86400, port=443, protocol_id=h2-12, host=nghttp2.org, origin=http://nghttp2.org)
+              (max-age=86400, port=443, protocol_id=h2-lc, host=nghttp2.org, origin=http://nghttp2.org)
     [  0.024] send SETTINGS frame <length=0, flags=0x01, stream_id=0>
               ; ACK
               (niv=0)
@@ -382,7 +382,7 @@ information.  Here is sample output from ``nghttpd`` server::
 nghttpx - proxy
 +++++++++++++++
 
-``nghttpx`` is a multi-threaded reverse proxy for ``h2-12``, SPDY and
+``nghttpx`` is a multi-threaded reverse proxy for ``h2-lc``, SPDY and
 HTTP/1.1 and powers nghttp2.org site.  It has several operation modes:
 
 ================== ============================ ============== =============
@@ -396,7 +396,7 @@ default mode       HTTP/2, SPDY, HTTP/1.1 (TLS) HTTP/1.1       Reverse proxy
 ================== ============================ ============== =============
 
 The interesting mode at the moment is the default mode.  It works like
-a reverse proxy and listens for ``h2-12``, SPDY and HTTP/1.1 and can
+a reverse proxy and listens for ``h2-lc``, SPDY and HTTP/1.1 and can
 be deployed SSL/TLS terminator for existing web server.
 
 The default mode, ``--http2-proxy`` and ``--http2-bridge`` modes use