diff --git a/homepage/knowledge/cat.html b/homepage/knowledge/cat.html
index bc7967f..2e2f972 100644
--- a/homepage/knowledge/cat.html
+++ b/homepage/knowledge/cat.html
@@ -14,7 +14,7 @@
 <SCRIPT SRC="/cookies.js" TYPE="application/javascript"></SCRIPT>
 <SCRIPT SRC="/sheets.js"  TYPE="application/javascript"></SCRIPT>
 <SCRIPT TYPE="application/javascript">window.onload = window.initializesheets;</SCRIPT>
-<H1>POSIX cat(1)</H1>
+<H1>POSIX cat(1) WIP ARTICLE</H1>
 <H3>updated 2021-06-19</H3>
 <HR ALIGN="left" SIZE="1" WIDTH="25%" />
 <P>