diff --git a/P5/Source/Specs/teidata.point.xml b/P5/Source/Specs/teidata.point.xml
index 5ef2c11efb..657f6bcbf5 100644
--- a/P5/Source/Specs/teidata.point.xml
+++ b/P5/Source/Specs/teidata.point.xml
@@ -5,7 +5,7 @@
   <desc versionDate="2010-10-17" xml:lang="en">defines the data type used to express a point in cartesian space.</desc>
   <desc versionDate="2024-08-08" xml:lang="ja">デカルト空間内の点を表現するデータ型を定義する。</desc>
   <content>
-    <dataRef name="token" restriction="(-?[0-9]+(\.[0-9]+)?,-?[0-9]+(\.[0-9]+)?)"/>
+    <dataRef name="token" restriction="(-?[0-9]+(\.[0-9]+)?,-?[0-9]+(\.[0-9]+)?(,-?[0-9]+(\.[0-9]+)?)?)"/>
   </content>
   <exemplum xml:lang="en">
     <egXML xmlns="http://www.tei-c.org/ns/Examples" xml:id="data-point-egXML-qa" source="#UND">