diff --git a/quad/README.md b/quad/README.md
index d94dec74..9070cead 100644
--- a/quad/README.md
+++ b/quad/README.md
@@ -1,7 +1,7 @@
 Quad
 ----
 
-A document processor written in [Racket](http://racket-lang.org). Not even close to fit for public consumption.
+A document processor — in the tradition of PUB, troff, Scribe, and TeX — written in [Racket](http://racket-lang.org). Not even close to fit for public consumption.
 
 Using Racket 6.0+, install from the command line: