typo.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@3627 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/hudson/matrix/MatrixProject/configure-entries.jelly

@@ -66,7 +66,7 @@
               <f:textbox name="axis.name" value="${axis.name}" />
             </f:entry>
             <f:entry title="Values">
-              <f:expandableTextBox name="axis.value" value="${axis.valueString}" />
+              <f:expandableTextbox name="axis.value" value="${axis.valueString}" />
             </f:entry>
             <f:entry>
               <div align="right">