diff --git a/README.md b/README.md
index df96143..1166809 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,11 @@ Options:
 - `--name`: Overwrite the project name when naming the docset.
   The name defaults to the project name, or for umbrella apps,
   the name of the directory.
+- `--abbr`: Overwrite the abbreviation for searching the docs.
+  Defaults to the first two characters of the project name.
+  Note that changing the abbreviation of the app requires
+  deleting the docset entirely from Dash (via the preferneces pane)
+  and likely running `mix docs.dash --open` to force the docset to re-index.
 
 # Hacking ExDocs into Dash Docs
 
diff --git a/lib/docset.ex b/lib/docset.ex
index 24ba97c..986c407 100644
--- a/lib/docset.ex
+++ b/lib/docset.ex
@@ -120,7 +120,7 @@ defmodule ExDash.Docset do
 <dict>
 	<key>CFBundleIdentifier</key> <string>{{CONFIG_PROJECT}}-{{CONFIG_VERSION}}</string>
 	<key>CFBundleName</key> <string>{{CONFIG_PROJECT}} {{CONFIG_VERSION}}</string>
-	<key>DocSetPlatformFamily</key> <string>{{CONFIG_PROJECT}}</string>
+	<key>DocSetPlatformFamily</key> <string>{{CONFIG_PROJECT_ABBREV}}</string>
 	<key>isDashDocset</key> <true/>
 	<key>isJavaScriptEnabled</key> <true/>
 	<key>dashIndexFilePath</key> <string>index.html</string>
@@ -138,9 +138,19 @@ defmodule ExDash.Docset do
           version
       end
 
+    abbreviation =
+      case Store.get(:abbreviation) do
+        nil ->
+          name |> String.slice(0, 2)
+
+        abbr ->
+          abbr
+      end
+
     @info_plist_template
     |> String.replace("{{CONFIG_PROJECT}}", name)
     |> String.replace("{{CONFIG_VERSION}}", version)
+    |> String.replace("{{CONFIG_PROJECT_ABBREV}}", abbreviation)
   end
 
 end
diff --git a/lib/mix/tasks/dash.ex b/lib/mix/tasks/dash.ex
index 6110bc2..76f57f3 100644
--- a/lib/mix/tasks/dash.ex
+++ b/lib/mix/tasks/dash.ex
@@ -19,6 +19,8 @@ defmodule Mix.Tasks.Docs.Dash do
       Defaults to true unless the docset exists in the `/doc` dir before the run.
     * `--name NAME`: names the docset something other than the app name.
       Defaults to the project name, or (if an umbrella app) the `cwd` of the mix task
+    * `--abbr ABBREVIATION`: the default abbreviation to search for your docs with.
+      Default: first two characters of the project name. (i.e. `ex` for `ex_dash`).
 
   """
   @spec run(args) :: String.t
@@ -29,9 +31,13 @@ defmodule Mix.Tasks.Docs.Dash do
     name =
       Keyword.get(opts, :name)
 
+    abbr =
+      Keyword.get(opts, :abbr)
+
     Store.start_link()
 
     Store.set(:name, name)
+    Store.set(:abbreviation, abbr)
 
     [doc_set_path] =
       Docs.run(["-f", ExDash])