VERSION      | 2 +-
 doc/news.rst | 7 +++++++
 pyderasn.py  | 7 ++++++-

diff --git a/VERSION b/VERSION
index ed497871c6ebc4377fd4db84b7c59592a10da119178532bd92f54d369e7a59b1..a573d969a3f2b128d2c203089e1393b6fd573bf11e044a16bf1bf61adf5914c3 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.2
+4.3
diff --git a/doc/news.rst b/doc/news.rst
index a02dcda973e8bbf45b8c7ed5f1341e15d699154957ffa20551f8e9901dcdc5c6..858acfdd3601e602c11eeeaa9643c7403026a2e09324c6ad3bb02fc5471732d6 100644
--- a/doc/news.rst
+++ b/doc/news.rst
@@ -1,6 +1,13 @@
 News
 ====
 
+.. _release4.3:
+
+4.3
+---
+* Fix NumericString: space is allowed character
+* Strict PrintableString sanitizing
+
 .. _release4.2:
 
 4.2
diff --git a/pyderasn.py b/pyderasn.py
index d676ebc26a7aff9986df175ed5c3e9664813fb5e4586f20474aafee7fd31a4ef..c7433f11a2b3ca2210fd97730d72db35fd1f79c1b84b7f5b0ffbffd2162135bc 100755
--- a/pyderasn.py
+++ b/pyderasn.py
@@ -3492,7 +3492,8 @@
 class NumericString(CommonString):
     """Numeric string
 
-    Its value is properly sanitized: only ASCII digits can be stored.
+    Its value is properly sanitized: only ASCII digits with spaces can
+    be stored.
     """
     __slots__ = ()
     tag_default = tag_encode(18)
@@ -3508,6 +3509,10 @@         return value
 
 
 class PrintableString(CommonString):
+    """Printable string
+
+    Its value is properly sanitized: see X.680 41.4 table 10.
+    """
     __slots__ = ()
     tag_default = tag_encode(19)
     encoding = "ascii"