diff --git a/doc/specs/thrift-binary-protocol.md b/doc/specs/thrift-binary-protocol.md
index b56d261..a852685 100644
--- a/doc/specs/thrift-binary-protocol.md
+++ b/doc/specs/thrift-binary-protocol.md
@@ -1,6 +1,7 @@
 Thrift Binary protocol encoding 
 ===============================
 
+<!--
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 Licensed to the Apache Software Foundation (ASF) under one
@@ -21,6 +22,7 @@
 under the License.
 
 --------------------------------------------------------------------
+-->
 
 This documents describes the wire encoding for RPC using the older Thrift *binary protocol*.
 
diff --git a/doc/specs/thrift-compact-protocol.md b/doc/specs/thrift-compact-protocol.md
index 96e7b0e..d2e18a9 100644
--- a/doc/specs/thrift-compact-protocol.md
+++ b/doc/specs/thrift-compact-protocol.md
@@ -1,6 +1,7 @@
 Thrift Compact protocol encoding 
 ================================
 
+<!--
 --------------------------------------------------------------------
 
 Licensed to the Apache Software Foundation (ASF) under one
@@ -21,6 +22,7 @@
 under the License.
 
 --------------------------------------------------------------------
+-->
 
 This documents describes the wire encoding for RPC using the Thrift *compact protocol*.
 
diff --git a/doc/specs/thrift-protocol-spec.md b/doc/specs/thrift-protocol-spec.md
index 950e163..0c1a61c 100644
--- a/doc/specs/thrift-protocol-spec.md
+++ b/doc/specs/thrift-protocol-spec.md
@@ -3,6 +3,7 @@
 
 Last Modified: 2007-Jun-29
 
+<!--
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 Licensed to the Apache Software Foundation (ASF) under one
@@ -23,6 +24,7 @@
 under the License.
 
 --------------------------------------------------------------------
+-->
 
 This document describes the structure of the Thrift protocol
 without specifying the encoding. Thus, the order of elements
diff --git a/doc/specs/thrift-rpc.md b/doc/specs/thrift-rpc.md
index 1c59abd..d45c06f 100644
--- a/doc/specs/thrift-rpc.md
+++ b/doc/specs/thrift-rpc.md
@@ -1,6 +1,7 @@
 Thrift Remote Procedure Call
 ============================
 
+<!--
 --------------------------------------------------------------------
 
 Licensed to the Apache Software Foundation (ASF) under one
@@ -21,6 +22,7 @@
 under the License.
 
 --------------------------------------------------------------------
+-->
 
 This document describes the high level message exchange between the Thrift RPC client and server.
 See [thrift-binary-protocol.md] and [thrift-compact-protocol.md] for a description of how the exchanges are encoded on