--- a/ttml10/spec/entities.dtd	Tue May 14 21:55:19 2013 -0600
+++ b/ttml10/spec/entities.dtd	Wed May 15 14:36:23 2013 -0600
@@ -1,9 +1,9 @@
 
 <!-- comment / uncomment the appropriate entity -->
-<!-- <!ENTITY % sub.entities SYSTEM "entitiesedcopy.dtd" > -->
+<!ENTITY % sub.entities SYSTEM "entitiesedcopy.dtd" >
 <!-- <!ENTITY % sub.entities SYSTEM "entitieswd.dtd" > -->
 <!-- <!ENTITY % sub.entities SYSTEM "entitiescr.dtd" > -->
-<!ENTITY % sub.entities SYSTEM "entitiesper.dtd" >
+<!-- <!ENTITY % sub.entities SYSTEM "entitiesper.dtd" > -->
 %sub.entities;
 
 <!-- Titles -->

--- a/ttml10/spec/ttaf1-dfxp.xml	Tue May 14 21:55:19 2013 -0600
+++ b/ttml10/spec/ttaf1-dfxp.xml	Wed May 15 14:36:23 2013 -0600
@@ -382,7 +382,7 @@
 </tbody>
 </table>
 <p>The second subtitle continues with the default style, except that it contains
-two lines of text with an intervening author-specified line break. Note the affect of
+two lines of text with an intervening author-specified line break. Note the effects of
 the use of <code>tts:textAlign="center"</code> to specify the paragraph's alignment
 in the inline progression direction.</p>
 <table id="ttml-example-subtitle-2" role="example-images">
@@ -8839,7 +8839,7 @@
 <gitem>
 <label>profile</label>
 <def>
-<p>The document profile of a <emph>Document Instance</emph> may be specified using
+<p>The document profile of a TTMLDocument Instance may be specified using
 an optional <code>profile</code> parameter, which, if specified,
 the value of which must adhere to the syntax and semantics of
 <att>ttp:profile</att> parameter defined by
@@ -12563,7 +12563,7 @@
 <td><loc href="#parameter-attribute-profile"><code>ttp:profile</code></loc></td>
 <td><emph>none</emph></td>
 <td></td>
-<td>expresses profile of TTML used by <emph>Document Instance</emph></td>
+<td>expresses profile of TTML used by a <emph>Document Instance</emph></td>
 <td></td>
 </tr>
 <tr>