diff --git a/tools/update-webpage.sh b/tools/update-webpage.sh
index 6a8f27c8b..adea40dbe 100755
--- a/tools/update-webpage.sh
+++ b/tools/update-webpage.sh
@@ -30,6 +30,8 @@ PORT_API_MD="05.PORT-API.md"
 REFERENCE_COUNTING_MD="06.REFERENCE-COUNTING.md"
 DEBUGGER_MD="07.DEBUGGER.md"
 CODING_STANDARDS_MD="08.CODING-STANDARDS.md"
+EXT_REFERENCE_ARG_MD="09.EXT-REFERENCE-ARG.md"
+EXT_REFERENCE_HANDLER_MD="10.EXT-REFERENCE-HANDLER.md"
 
 declare -A titles
 
@@ -41,6 +43,8 @@ titles[$PORT_API_MD]="Port API"
 titles[$REFERENCE_COUNTING_MD]="Reference Counting"
 titles[$DEBUGGER_MD]="Debugger"
 titles[$CODING_STANDARDS_MD]="Coding Standards"
+titles[$EXT_REFERENCE_ARG_MD]="'Extension API: Argument Validation'"
+titles[$EXT_REFERENCE_HANDLER_MD]="'Extension API: External Function Handlers'"
 
 for docfile in $docs_dir/*.md; do
   docfile_base=`basename $docfile`