diff --git a/Library/Contributions/brew_bash_completion.sh b/Library/Contributions/brew_bash_completion.sh
index 722083e6f4..0289204717 100644
--- a/Library/Contributions/brew_bash_completion.sh
+++ b/Library/Contributions/brew_bash_completion.sh
@@ -127,11 +127,11 @@ _brew_to_completion()
             local opts=$(
                 local opts=(--force --verbose --debug --use-clang --use-gcc
                     --use-llvm --ignore-dependencies --build-from-source --HEAD
-                    --interactive --fresh $(brew options --compact "$prev"))
+                    --interactive --fresh --devel $(brew options --compact "$prev"))
 
                 # options that make sense with '--interactive'
                 if [[ "${COMP_WORDS[*]}" =~ "--interactive" ]]; then
-                    opts=(--force --git --use-clang --use-gcc --use-llvm --HEAD)
+                    opts=(--force --git --use-clang --use-gcc --use-llvm --HEAD --devel)
                 fi
 
                 for o in ${opts[*]}; do
diff --git a/Library/Contributions/manpages/brew.1.md b/Library/Contributions/manpages/brew.1.md
index ba7b1df4bd..db1b37939e 100644
--- a/Library/Contributions/manpages/brew.1.md
+++ b/Library/Contributions/manpages/brew.1.md
@@ -134,7 +134,7 @@ For the full command list, see the COMMANDS section.
   * `info` <URL>:
     Print the name and version that will be detected for <URL>.
 
-  * `install [--force] [--debug] [--ignore-dependencies] [--fresh] [--use-clang] [--use-gcc] [--use-llvm] [--build-from-source] [--HEAD]` <formula>:
+  * `install [--force] [--debug] [--ignore-dependencies] [--fresh] [--use-clang] [--use-gcc] [--use-llvm] [--build-from-source] [--devel] [--HEAD]` <formula>:
     Install <formula>.
 
     <formula> is usually the name of the formula to install, but may also be
@@ -165,8 +165,10 @@ For the full command list, see the COMMANDS section.
     If `--build-from-source` is passed, compile from source even if a bottle
     is provided for <formula>.
 
+    If `--devel` is passed, and <formula> defines it, install the development version.
+
     If `--HEAD` is passed, and <formula> defines it, install the HEAD version,
-    aka master, trunk, unstable, dev.
+    aka master, trunk, unstable.
 
     To install a newer version of HEAD use
     `brew rm <foo> && brew install --HEAD <foo>`
diff --git a/share/man/man1/brew.1 b/share/man/man1/brew.1
index c7ae10e6f3..c799be8c54 100644
--- a/share/man/man1/brew.1
+++ b/share/man/man1/brew.1
@@ -158,7 +158,7 @@ To view formula history locally: \fBbrew log \-p <formula>\fR\.
 Print the name and version that will be detected for \fIURL\fR\.
 .
 .TP
-\fBinstall [\-\-force] [\-\-debug] [\-\-ignore\-dependencies] [\-\-fresh] [\-\-use\-clang] [\-\-use\-gcc] [\-\-use\-llvm] [\-\-build\-from\-source] [\-\-HEAD]\fR \fIformula\fR
+\fBinstall [\-\-force] [\-\-debug] [\-\-ignore\-dependencies] [\-\-fresh] [\-\-use\-clang] [\-\-use\-gcc] [\-\-use\-llvm] [\-\-build\-from\-source] [\-\-devel] [\-\-HEAD]\fR \fIformula\fR
 Install \fIformula\fR\.
 .
 .IP
@@ -189,7 +189,10 @@ If \fB\-\-use\-llvm\fR is passed, attempt to compile using the LLVM front\-end t
 If \fB\-\-build\-from\-source\fR is passed, compile from source even if a bottle is provided for \fIformula\fR\.
 .
 .IP
-If \fB\-\-HEAD\fR is passed, and \fIformula\fR defines it, install the HEAD version, aka master, trunk, unstable, dev\.
+If \fB\-\-devel\fR is passed, and \fIformula\fR defines it, install the development version\.
+.
+.IP
+If \fB\-\-HEAD\fR is passed, and \fIformula\fR defines it, install the HEAD version, aka master, trunk, unstable\.
 .
 .IP
 To install a newer version of HEAD use \fBbrew rm <foo> && brew install \-\-HEAD <foo>\fR or \fBbrew install \-\-force \-\-HEAD <foo>\fR\.