diff --git a/doc/guix.texi b/doc/guix.texi
index de139e6b39..9fb125dfea 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -21,7 +21,8 @@ Copyright @copyright{} 2015, 2016 Leo Famulari@*
 Copyright @copyright{} 2015, 2016 Ricardo Wurmus@*
 Copyright @copyright{} 2016 Ben Woodcroft@*
 Copyright @copyright{} 2016 Chris Marusich@*
-Copyright @copyright{} 2016 Efraim Flashner
+Copyright @copyright{} 2016 Efraim Flashner@*
+Copyright @copyright{} 2016 ng0
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
@@ -11513,9 +11514,10 @@ definition may look like this:
 
 @example
 (define my-package
-  (let ((commit "c3f29bc928d5900971f65965feaae59e1272a3f7"))
+  (let ((commit "c3f29bc928d5900971f65965feaae59e1272a3f7")
+        (revision "1"))          ;Guix package revision
     (package
-      (version (string-append "0.9-1."
+      (version (string-append "0.9-" revision "."
                               (string-take commit 7)))
       (source (origin
                 (method git-fetch)