diff --git a/doc/OSP.xml b/doc/OSP.xml
index 08fc86ee..34847f49 100644
--- a/doc/OSP.xml
+++ b/doc/OSP.xml
@@ -1499,6 +1499,24 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
     <version>20.08</version>
   </change>
 
+    <change>
+    <command>GET_VTS</command>
+    <summary>Add attribute SHA256_HASH</summary>
+    <description>
+      The new attribute SHA256_HASH is calculated from the vulnerability test OID, modification time and VT preferences, sorted by OID. The new attribute is helpful for feed integrity check.
+    </description>
+    <version>20.08</version>
+  </change>
+
+  <change>
+    <command>GET_VTS</command>
+    <summary>Add attribute VTS_VERSION</summary>
+    <description>
+      The feed version is included in the get_vts command response.
+    </description>
+    <version>20.08</version>
+  </change>
+
   <change>
     <command>START_SCAN</command>
     <summary>Add support for target options</summary>
@@ -1507,6 +1525,14 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
     <version>20.08</version>
   </change>
 
+  <change>
+    <command>GET_SCANS</command>
+    <summary>Add scan progress details</summary>
+    <description>New attribute PROGRESS to specify whether to return a detailed progress information.
+    </description>
+    <version>20.08</version>
+  </change>
+
   <change>
     <command>GET_VTS</command>
     <summary>command added</summary>