diff --git a/imsc1/spec/ttml-ww-profiles.html b/imsc1/spec/ttml-ww-profiles.html
index 4cb3d43e..d60ee4aa 100644
--- a/imsc1/spec/ttml-ww-profiles.html
+++ b/imsc1/spec/ttml-ww-profiles.html
@@ -1929,7 +1929,7 @@ <h2>Supported Features and Extensions</h2>
 
           <td><span class="permitted label">permitted</span></td>
 
-          <td colspan="2">Partially supported via <code>#writingMode-horizontal-lr</code> and
+          <td>Partially supported via <code>#writingMode-horizontal-lr</code> and
           <code>#writingMode-horizontal-rl</code>.</td>
         </tr>
 
@@ -3887,7 +3887,7 @@ <h2>Reference Fonts</h2>
           </td>
 
           <td>
-            <a href="https://www.microsoft.com/typography/fonts/family.aspx?FID=10">Courier New</a> or <a href=
+            <a href="https://docs.microsoft.com/en-us/typography/font-list/courier-new">Courier New</a> or <a href=
             "https://fedorahosted.org/liberation-fonts/">Liberation Mono</a>
           </td>
         </tr>
@@ -3901,7 +3901,7 @@ <h2>Reference Fonts</h2>
           </td>
 
           <td>
-            <a href="https://www.microsoft.com/typography/fonts/family.aspx?FID=8">Arial</a> or <a href=
+            <a href="https://docs.microsoft.com/en-us/typography/font-list/arial">Arial</a> or <a href=
             "https://www.linotype.com/1308886/helvetica-family.html">Helvetica</a> or <a href=
             "https://fedorahosted.org/liberation-fonts/">Liberation Sans</a>
           </td>