diff --git a/colo.asciidoc b/colo.asciidoc
index c18a0314..a00559dc 100644
--- a/colo.asciidoc
+++ b/colo.asciidoc
@@ -1,8 +1,8 @@
 [colophon]
 = Colophon
 
-The animal on the cover of _Mastering Bitcoin_ is FILL IN DESCRIPTION.
+The animal on the cover of _Mastering Bitcoin_ is a leaf cutter ant .
 
 Many of the animals on O'Reilly covers are endangered; all of them are important to the world. To learn more about how you can help, go to http://animals.oreilly.com[animals.oreilly.com].
 
-The cover image is from FILL IN CREDITS. The cover fonts are URW Typewriter and Guardian Sans. The text font is Adobe Minion Pro; the heading font is Adobe Myriad Condensed; and the code font is Dalton Maag's Ubuntu Mono.
+The cover image is from __Insects Abroad__. The cover fonts are URW Typewriter and Guardian Sans. The text font is Adobe Minion Pro; the heading font is Adobe Myriad Condensed; and the code font is Dalton Maag's Ubuntu Mono.