diff --git a/doc/detail/lambda_doc.xml b/doc/detail/lambda_doc.xml
index 5207a16e..b07c36dc 100644
--- a/doc/detail/lambda_doc.xml
+++ b/doc/detail/lambda_doc.xml
@@ -3281,7 +3281,7 @@ was dropped.
 <abbrev>SGI02</abbrev>
 <title>The SGI Standard Template Library</title>
 <pubdate>2002</pubdate>
-<bibliomisc><ulink url="http://www.sgi.com/tech/stl/">www.sgi.com/tech/stl/</ulink></bibliomisc>
+<bibliomisc><ulink url="https://www.boost.org/sgi/stl/">www.boost.org/sgi/stl/</ulink></bibliomisc>
 
 </biblioentry>
     
diff --git a/doc/lambda.xml b/doc/lambda.xml
index 26384f5c..5f4a0f89 100644
--- a/doc/lambda.xml
+++ b/doc/lambda.xml
@@ -3286,7 +3286,7 @@ was dropped.
 <abbrev>SGI02</abbrev>
 <title>The SGI Standard Template Library</title>
 <pubdate>2002</pubdate>
-<bibliomisc><ulink url="http://www.sgi.com/tech/stl/">www.sgi.com/tech/stl/</ulink></bibliomisc>
+<bibliomisc><ulink url="https://www.boost.org/sgi/stl/">www.boost.org/sgi/stl/</ulink></bibliomisc>
 
 </biblioentry>