diff --git a/Miscellaneous/web/html-tags.txt b/Miscellaneous/web/html-tags.txt
index d37c18a2..225d7270 100644
--- a/Miscellaneous/web/html-tags.txt
+++ b/Miscellaneous/web/html-tags.txt
@@ -56,6 +56,11 @@ form
 frame
 frameset
 h1
+h2
+h3
+h4
+h5
+h6
 head
 header
 hgroup
@@ -103,6 +108,7 @@ option
 output
 p
 param
+portal
 picture
 plaintext
 pre
@@ -116,6 +122,7 @@ ruby
 s
 samp
 script
+search
 section
 select
 set
@@ -150,4 +157,4 @@ ul
 var
 video
 wbr
-xmp
+xmp
\ No newline at end of file