diff --git a/Library/Contributions/manpages/brew.1.md b/Library/Contributions/manpages/brew.1.md
index dd174085fc..89d73f612c 100644
--- a/Library/Contributions/manpages/brew.1.md
+++ b/Library/Contributions/manpages/brew.1.md
@@ -233,6 +233,11 @@ For the full command list, see the COMMANDS section.
 
     If `--installed` is passed, only lists installed formulae.
 
+  * `which` [<formulae>]:
+    List versions of installed brews.
+
+    If <formulae> are given, only list versions for the specified brews.
+
   * `--cache`:
     Display Homebrew's download cache. *Default:* `~/Library/Cache/Homebrew`
 
diff --git a/share/man/man1/brew.1 b/share/man/man1/brew.1
index 305a630162..896e741051 100644
--- a/share/man/man1/brew.1
+++ b/share/man/man1/brew.1
@@ -260,6 +260,13 @@ Show the formulas that specify \fIformula\fR as a dependency\. The list is not r
 If \fB\-\-installed\fR is passed, only lists installed formulae\.
 .
 .TP
+\fBwhich\fR [\fIformulae\fR]
+List versions of installed brews\.
+.
+.IP
+If \fIformulae\fR are given, only list versions for the specified brews\.
+.
+.TP
 \fB\-\-cache\fR
 Display Homebrew\'s download cache\. \fIDefault:\fR \fB~/Library/Cache/Homebrew\fR
 .