diff --git a/NEWS b/NEWS
index 0b66a2b2..2017932b 100644
--- a/NEWS
+++ b/NEWS
@@ -18,6 +18,7 @@ What's new in psycopg 2.7.2
   (:ticket:`#545`).
 - Fixed `~psycopg2.extras.ReplicationCursor.consume_stream()`
   *keepalive_interval* argument (:ticket:`#547`).
+- `~psycopg2.errorcodes` map updated to PostgreSQL 10 beta 1.
 
 
 What's new in psycopg 2.7.1
diff --git a/doc/src/errorcodes.rst b/doc/src/errorcodes.rst
index d662d0c8..ed40b1f1 100644
--- a/doc/src/errorcodes.rst
+++ b/doc/src/errorcodes.rst
@@ -50,7 +50,7 @@ An example of the available constants defined in the module:
     '42P01'
 
 Constants representing all the error values defined by PostgreSQL versions
-between 8.1 and 9.4 are included in the module.
+between 8.1 and 10 beta 1 are included in the module.
 
 
 .. autofunction:: lookup(code)