diff --git a/xep.ent b/xep.ent
index 94b9254a..15111df0 100644
--- a/xep.ent
+++ b/xep.ent
@@ -68,7 +68,7 @@ THE SOFTWARE.
 <!-- notes about namespace versioning -->
 
 <!ENTITY VNOTE "(see <link url='#registrar-versioning'>Namespace Versioning</link> regarding the possibility of incrementing the version number)">
-<!ENTITY NSVER "<p>If the protocol defined in this specification undergoes a major revision that is not fully backward-compatible with an older version, the XMPP Registrar shall increment the protocol version number found at the end of the XML namespaces defined herein, as described in Section 4 of <cite>XEP-0053</cite>.</p>">
+<!ENTITY NSVER "<p>If the protocol defined in this specification undergoes a revision that is not fully backwards-compatible with an older version, the XMPP Registrar shall increment the protocol version number found at the end of the XML namespaces defined herein, as described in Section 4 of <cite>XEP-0053</cite>.</p>">
 
 <!-- old note about provisional namespaces in experimental specs -->