diff --git a/README.asciidoc b/README.asciidoc
index 5d3a71ca4..2f1105909 100644
--- a/README.asciidoc
+++ b/README.asciidoc
@@ -81,6 +81,9 @@ The following software and libraries are required to run qutebrowser:
 * http://jinja.pocoo.org/[jinja2]
 * http://pygments.org/[pygments]
 
+To generate the documentation for the `:help` command, when using the git
+repository (rather than a release), http://asciidoc.org/[asciidoc] is needed.
+
 The following libraries are optional and provide colored logging in the
 console:
 
@@ -96,6 +99,13 @@ python3-pip python3-jinja2 python3-pygments
 # pip3 install pypeg2 --allow-external pypeg2 --allow-unverified pypeg2
 ----
 
+To generate the documentation for the `:help` command, when using the git
+repository (rather than a release):
+
+----
+# apt-get install asciidoc
+----
+
 On Archlinux
 ~~~~~~~~~~~~