diff --git a/docbook/Concepts.xml b/docbook/Concepts.xml
index 6d1ca70..8ad13b7 100644
--- a/docbook/Concepts.xml
+++ b/docbook/Concepts.xml
@@ -67,10 +67,10 @@
 
     <footnote><para><citetitle>ANSI
     X3.221-199x Working Draft</citetitle>: <link
-    xl:href="http://www.t10.org/t13/project/d0791r4c-ATA-1.pdf"/></para></footnote>
+    xl:href="http://www.t13.org/documents/UploadedDocuments/project/d0791r4c-ATA-1.pdf"/></para></footnote>
 
     <footnote><para>Technical Committee (T13) Homepage: <link
-    xl:href="http://www.t10.org/t13/"/></para></footnote>
+    xl:href="http://www.t13.org/"/></para></footnote>
 
     §3.1.3 as:
 
diff --git a/docbook/appendix/disk_history/illustration.xml b/docbook/appendix/disk_history/illustration.xml
index 0c66184..731da84 100644
--- a/docbook/appendix/disk_history/illustration.xml
+++ b/docbook/appendix/disk_history/illustration.xml
@@ -17,7 +17,9 @@
 
     <footnote>
       <para>
-	BIOS Enhanced Disk Drive Specification v3: <link xl:href="http://www.t10.org/t13/technical/d98120r0.pdf" />
+	BIOS Enhanced Disk Drive Specification v3: <link
+	xl:href="http://www.t13.org/documents/UploadedDocuments/technical/d98120r0.pdf"
+	/>
       </para>
     </footnote>