diff --git a/xulmus/locale/en-US/buffer.txt b/xulmus/locale/en-US/buffer.txt
index 74d4901e..bca47867 100644
--- a/xulmus/locale/en-US/buffer.txt
+++ b/xulmus/locale/en-US/buffer.txt
@@ -241,7 +241,7 @@ default zoom levels are 30%, 50%, 67%, 80%, 90%, 100%, 110%, 120%, 133%, 150%,
 
 The available zoom range can be changed by setting the
 \'http://kb.mozillazine.org/Zoom.minPercent[zoom.minPercent]' and
-\'http://kb.mozillazine.org/Zoom.maxPercent[zoom.maxPercent]' Firefox
+\'http://kb.mozillazine.org/Zoom.maxPercent[zoom.maxPercent]' Songbird
 preferences. The zoom levels can be changed using the
 \'http://kb.mozillazine.org/Toolkit.zoomManager.zoomValues[toolkit.ZoomManager.zoomLevels]'
 preference.
diff --git a/xulmus/locale/en-US/gui.txt b/xulmus/locale/en-US/gui.txt
index cc7f8235..daeca80c 100644
--- a/xulmus/locale/en-US/gui.txt
+++ b/xulmus/locale/en-US/gui.txt
@@ -1,4 +1,4 @@
-heading::Vimperator's{nbsp}GUI[gui]
+heading::Xulmus's{nbsp}GUI[gui]
 
 Although Xulmus offers the most frequently used Songbird functionality via
 Ex and Normal mode commands there may be times when directly accessing the GUI
diff --git a/xulmus/locale/en-US/hints.txt b/xulmus/locale/en-US/hints.txt
index 2c3cf8bd..5699a615 100644
--- a/xulmus/locale/en-US/hints.txt
+++ b/xulmus/locale/en-US/hints.txt
@@ -1,6 +1,6 @@
 heading::Hints[quick-hints,hints]
 
-Hints are the way in which Vimperator allows you to follow links on a page. By
+Hints are the way in which Xulmus allows you to follow links on a page. By
 providing each link with a suitable hint, you can access all links with a
 similar amount of minimal effort. This contrasts strongly with the traditional
 approaches offered by the mouse, in which you must first find and then aim for
diff --git a/xulmus/locale/en-US/intro.txt b/xulmus/locale/en-US/intro.txt
index 31b57598..02535be8 100644
--- a/xulmus/locale/en-US/intro.txt
+++ b/xulmus/locale/en-US/intro.txt
@@ -95,7 +95,7 @@ section::Features[features]
   http://vimperator.org/trac/ticket/327[xulmus.vim]
 * Easy quick searches ([c]:open foo[c] will search for "foo" in google,
   [c]:open ebay terminator[c] will search for "terminator" on ebay)
-  with support for Firefox keyword bookmarks and search engines
+  with support for Songbird keyword bookmarks and search engines
 * Count supported for many commands ([m]3<C-o>[m] will go back 3 pages)
 * Beep on errors
 * Marks support ([m]m[m][a]a[a] to set mark a on a web page, [m]'[m][a]a[a] to
diff --git a/xulmus/locale/en-US/options.txt b/xulmus/locale/en-US/options.txt
index d5bb235c..d0aa7b48 100644
--- a/xulmus/locale/en-US/options.txt
+++ b/xulmus/locale/en-US/options.txt
@@ -484,7 +484,7 @@ ____
 ||'insertmode' 'im'|| boolean (default: on)
 ____
 Use Insert mode as the default for text areas. This is useful if you want to
-use the known Firefox interface for editing text areas. Input fields default to
+use the known Songbird interface for editing text areas. Input fields default to
 this behaviour irrespective of this option's setting.
 
 Textarea mode can be entered with *<C-t>* from Insert mode.
diff --git a/xulmus/locale/en-US/styling.txt b/xulmus/locale/en-US/styling.txt
index 5f3fbec7..015ab57b 100644
--- a/xulmus/locale/en-US/styling.txt
+++ b/xulmus/locale/en-US/styling.txt
@@ -22,7 +22,7 @@ ________________________________________________________________________________
 Highlight {group} with {css}. {css} is one or more comma separated CSS
 declarations (E.g. *color: blue; background-color: red*). Normally, {css} is
 checked for valid syntax before it's applied. Once you're certain it's valid,
-[!] can be used to skip the check to speed up Vimperator startup. {selector}
+[!] can be used to skip the check to speed up Xulmus startup. {selector}
 can be any valid CSS selector, such as [c]:hover[c], and, if provided, will
 restrict the match to matching elements.