1 files changed, 21 insertions, 1 deletions
diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -26,7 +26,27 @@ subdomains), and terminated by a `.css` extension.
 
 
 ## Install
-This extension _must_ be installed as an unpacked extension.
+This extension should be installed unpacked to allow you to freely add and
+modify stylesheets in the `css/` directory.
+
+
+### Chrome
+Begin by cloning this repository. Open the Extensions page
+(`chrome://extensions/`) and click the "Load unpacked" button. In the resulting
+file browser, select the extension's directory.
+
+
+### Firefox
+This extension is unsigned. Refer to "What are my options if I want to install
+unsigned extensions in Firefox?" in
+https://wiki.mozilla.org/Add-ons/Extension_Signing#FAQ before attempting to
+install it.
+
+	cd '~/Library/Application Support/Firefox/Profiles/PROFILE_DIRECTORY/extensions'
+	git clone https://github.com/teddywing/Legibility.git 'com.teddywing@legibility'
+
+Relaunch Firefox and open the Add-ons page (`about:addons`). Click the "Enable"
+button on Legibility's row.
 
 
 ## License