diff --git a/documentation/content/en/books/fdp-primer/overview/_index.adoc b/documentation/content/en/books/fdp-primer/overview/_index.adoc
--- a/documentation/content/en/books/fdp-primer/overview/_index.adoc
+++ b/documentation/content/en/books/fdp-primer/overview/_index.adoc
@@ -105,6 +105,8 @@
 Some team members also interact on the `#bsddocs` IRC channel on http://www.efnet.org/[EFnet].
 These people can help with questions or problems involving the documentation.
 
+There are some Git commands above. If you are not familiar with this, here is https://git-scm.com/doc[Git Document].
+
 [[freebsd-installation-process]]
 === FreeBSD installation process