diff --git a/CHANGES b/CHANGES
index e269ea9396..2c6946ab18 100644
--- a/CHANGES
+++ b/CHANGES
@@ -10,7 +10,9 @@
 			updated. [GL #1779]
 
 5391.	[func]		The BIND 9 build system has been changed to use the
-			usual stack of autoconf+automake+libtool.  [GL #4]
+			usual stack of autoconf+automake+libtool.  If building
+			from the git repository run "autoreconf -fi" first.
+			[GL #4]
 
 5390.	[placeholder]
 
diff --git a/README.md b/README.md
index c9e19a211d..6d921fd85d 100644
--- a/README.md
+++ b/README.md
@@ -158,6 +158,7 @@ systems.
 
 To build on a UNIX or Linux system, use:
 
+		$ autoreconf -fi (if you are building in the git repository)
 		$ ./configure
 		$ make
 
@@ -188,6 +189,21 @@ or, if you have Xcode already installed, you can run `xcode-select
 --install`.  (Note that an Apple ID may be required to access the download
 page.)
 
+#### <a name="dependencies"> Dependencies
+
+To build BIND you need to following packages installed:
+
+    libuv
+    pkg-config / pkgconfig / pkgconf
+
+To build BIND from the git repository you will need the following tools
+installed:
+
+    autoconf (includes autoreconf)
+    automake
+    libtool
+    libltdl-dev (Debian) / libtool-ltdl-dev (Fedora/CentOS) / libltdl (FreeBSD)
+
 #### <a name="opts"/> Compile-time options
 
 To see a full list of configuration options, run `configure --help`.
diff --git a/doc/arm/notes-9.17.2.xml b/doc/arm/notes-9.17.2.xml
index 0d48dd78dd..a40cad3b2a 100644
--- a/doc/arm/notes-9.17.2.xml
+++ b/doc/arm/notes-9.17.2.xml
@@ -43,8 +43,9 @@
           The BIND 9 build system has been changed to use the normal build tool
           stack consisting of autoconf+automake+libtool.  This should not make
           any difference for people building BIND 9 from the release tarballs,
-          but if you are building BIND 9 from the git repository, or you are
-          using non-standard <command>./configure</command> option, you will
+          but if you are building BIND 9 from the git repository you will need
+          to run "autoreconf -fi" first. If you are using non-standard
+          <command>./configure</command> option, you will
           need to pay extra attention. [GL #4]
         </para>
       </listitem>