diff --git a/Library/Contributions/manpages/brew.1.md b/Library/Contributions/manpages/brew.1.md
index ffdf4107e1..376e7e03bb 100644
--- a/Library/Contributions/manpages/brew.1.md
+++ b/Library/Contributions/manpages/brew.1.md
@@ -111,7 +111,7 @@ Note that these flags should only appear after a command.
   * `edit` <formula>:
     Open <formula> in the editor.
 
-  * `fetch [--force] [-v] [--HEAD] [--deps]` <formulae>:
+  * `fetch [--force] [-v] [--HEAD] [--deps] [--build-from-source]` <formulae>:
     Download the source packages for the given <formulae>.
     For tarballs, also print SHA1 and SHA-256 checksums.
 
@@ -123,6 +123,9 @@ Note that these flags should only appear after a command.
 
     If `--deps` is passed, also download dependencies for any listed <formulae>.
 
+    If `--build-from-source` is passed, download the source rather than a
+    bottle.
+
   * `home`:
     Open Homebrew's own homepage in a browser.
 
diff --git a/share/man/man1/brew.1 b/share/man/man1/brew.1
index 9fa9074703..4250ad2e36 100644
--- a/share/man/man1/brew.1
+++ b/share/man/man1/brew.1
@@ -125,7 +125,7 @@ Open all of Homebrew for editing\.
 Open \fIformula\fR in the editor\.
 .
 .TP
-\fBfetch [\-\-force] [\-v] [\-\-HEAD] [\-\-deps]\fR \fIformulae\fR
+\fBfetch [\-\-force] [\-v] [\-\-HEAD] [\-\-deps] [\-\-build\-from\-source]\fR \fIformulae\fR
 Download the source packages for the given \fIformulae\fR\. For tarballs, also print SHA1 and SHA\-256 checksums\.
 .
 .IP
@@ -137,6 +137,9 @@ If \fB\-\-force\fR is passed, remove a previously cached version and re\-fetch\.
 .IP
 If \fB\-\-deps\fR is passed, also download dependencies for any listed \fIformulae\fR\.
 .
+.IP
+If \fB\-\-build\-from\-source\fR is passed, download the source rather than a bottle\.
+.
 .TP
 \fBhome\fR
 Open Homebrew\'s own homepage in a browser\.