diff --git a/Library/Contributions/manpages/brew.1.md b/Library/Contributions/manpages/brew.1.md
index cdef84a23b..0e4525cd30 100644
--- a/Library/Contributions/manpages/brew.1.md
+++ b/Library/Contributions/manpages/brew.1.md
@@ -83,6 +83,15 @@ For the full command list, see the COMMANDS section.
 
     If `--all` is passed, show dependencies for all formulae.
 
+  * `diy [--set-name] [--set-version]`:
+    Automatically determine the installation prefix for non-Homebrew software.
+
+    Using the output from this command, you can install your own software into
+    the Cellar and then link it into Homebrew's prefix with `brew link`.
+
+    The options `--set-name` and `--set-version` each take an argument and allow
+    you to explicitly set the name and version of the package you are installing.
+
   * `doctor`:
     Check your system for potential problems. Doctor exits with a non-zero status
     if any problems are found.
diff --git a/share/man/man1/brew.1 b/share/man/man1/brew.1
index 56aa21b060..bce626042f 100644
--- a/share/man/man1/brew.1
+++ b/share/man/man1/brew.1
@@ -94,6 +94,16 @@ If \fB\-n\fR is passed, show dependencies in topological order\.
 If \fB\-\-all\fR is passed, show dependencies for all formulae\.
 .
 .TP
+\fBdiy [\-\-set\-name] [\-\-set\-version]\fR
+Automatically determine the installation prefix for non\-Homebrew software\.
+.
+.IP
+Using the output from this command, you can install your own software into the Cellar and then link it into Homebrew\'s prefix with \fBbrew link\fR\.
+.
+.IP
+The options \fB\-\-set\-name\fR and \fB\-\-set\-version\fR each take an argument and allow you to explicitly set the name and version of the package you are installing\.
+.
+.TP
 \fBdoctor\fR
 Check your system for potential problems\. Doctor exits with a non\-zero status if any problems are found\.
 .