diff --git a/depends/README.md b/depends/README.md
index a2a7b749c2..9f29498cdb 100644
--- a/depends/README.md
+++ b/depends/README.md
@@ -12,15 +12,18 @@ For example:
 
     make HOST=x86_64-w64-mingw32 -j4
 
-**Dash Core's configure script by default will ignore the depends output.** In
+**Dash Core's `configure` script by default will ignore the depends output.** In
 order for it to pick up libraries, tools, and settings from the depends build,
-you must point it at the appropriate `--prefix` directory generated by the
-build. In the above example, a prefix dir named x86_64-w64-mingw32 will be
-created. To use it for Dash:
+you must set the `CONFIG_SITE` environment variable to point to a `config.site` settings file.
+In the above example, a file named `depends/x86_64-w64-mingw32/share/config.site` will be
+created. To use it during compilation:
 
-    ./configure --prefix=$PWD/depends/x86_64-w64-mingw32
+    CONFIG_SITE=$PWD/depends/x86_64-w64-mingw32/share/config.site ./configure
 
-Common `host-platform-triplets` for cross compilation are:
+The default install prefix when using `config.site` is `--prefix=depends/<host-platform-triplet>`,
+so depends build outputs will be installed in that location.
+
+Common `host-platform-triplet`s for cross compilation are:
 
 - `i686-pc-linux-gnu` for Linux 32 bit
 - `x86_64-pc-linux-gnu` for x86 Linux
@@ -138,4 +141,3 @@ This is an example command for a default build with no disabled dependencies:
 
 - [description.md](description.md): General description of the depends system
 - [packages.md](packages.md): Steps for adding packages
-
diff --git a/doc/build-unix.md b/doc/build-unix.md
index d5e33db56d..fe9075bbde 100644
--- a/doc/build-unix.md
+++ b/doc/build-unix.md
@@ -331,7 +331,8 @@ To build executables for ARM:
     cd depends
     make HOST=arm-linux-gnueabihf NO_QT=1
     cd ..
-    ./configure --prefix=$PWD/depends/arm-linux-gnueabihf --enable-reduce-exports LDFLAGS=-static-libstdc++
+    ./autogen.sh
+    CONFIG_SITE=$PWD/depends/arm-linux-gnueabihf/share/config.site ./configure --enable-reduce-exports LDFLAGS=-static-libstdc++
     make