diff --git a/Library/Contributions/manpages/brew.1.md b/Library/Contributions/manpages/brew.1.md
index eb86ba32f0..50013b35c9 100644
--- a/Library/Contributions/manpages/brew.1.md
+++ b/Library/Contributions/manpages/brew.1.md
@@ -90,6 +90,8 @@ Note that these flags should only appear after a command.
 
     If `--all` is passed, show dependencies for all formulae.
 
+    If `--installed` is passed, show dependencies for all installed formulae.
+
   * `diy [--set-name <name>] [--set-version <version>]`:
     Automatically determine the installation prefix for non-Homebrew software.
 
diff --git a/share/man/man1/brew.1 b/share/man/man1/brew.1
index 96886e6b7b..3afaf3cd82 100644
--- a/share/man/man1/brew.1
+++ b/share/man/man1/brew.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BREW" "1" "March 2013" "Homebrew" "brew"
+.TH "BREW" "1" "April 2013" "Homebrew" "brew"
 .
 .SH "NAME"
 \fBbrew\fR \- The missing package manager for OS X
@@ -99,6 +99,9 @@ If \fB\-\-tree\fR is passed, show dependencies as a tree\.
 .IP
 If \fB\-\-all\fR is passed, show dependencies for all formulae\.
 .
+.IP
+If \fB\-\-installed\fR is passed, show dependencies for all installed formulae\.
+.
 .TP
 \fBdiy [\-\-set\-name <name>] [\-\-set\-version <version>]\fR
 Automatically determine the installation prefix for non\-Homebrew software\.