diff --git a/in/public/firefox/configure.rst b/in/public/firefox/configure.rst
new file mode 100644
index 0000000..8b37622
--- /dev/null
+++ b/in/public/firefox/configure.rst
@@ -0,0 +1,11 @@
+Configure
+=========
+
+* prefs.js
+* user.js
+
+Client certificates
+-------------------
+
+user_pref("security.default_personal_cert", "Ask Every Time");
+user_pref("security.default_personal_cert", "Select Automatically");
diff --git a/in/public/firefox/index.rst b/in/public/firefox/index.rst
index 00ae233..c99600a 100644
--- a/in/public/firefox/index.rst
+++ b/in/public/firefox/index.rst
@@ -1,6 +1,7 @@
-FireFox
+firefox
 =======
 
 .. toctree::
 
+   configure
    import_certificate_from_web_page