diff --git a/modules/desktop/browsers/firefox.nix b/modules/desktop/browsers/firefox.nix
index 40792066..4deacc88 100644
--- a/modules/desktop/browsers/firefox.nix
+++ b/modules/desktop/browsers/firefox.nix
@@ -17,7 +17,7 @@ in {
       Firefox preferences to set in <filename>user.js</filename>
     '';
     extraConfig = mkOpt' lines "" ''
-      Extra preferences to dd to <filename>user.js</filename>
+      Extra lines to add to <filename>user.js</filename>
     '';
 
     userChrome  = mkOpt' lines "" "CSS Styles for Firefox's interface";
diff --git a/modules/desktop/default.nix b/modules/desktop/default.nix
index ab19874f..ee14848b 100644
--- a/modules/desktop/default.nix
+++ b/modules/desktop/default.nix
@@ -27,7 +27,6 @@ in {
       feh       # image viewer
       xclip
       xdotool
-
       libqalculate  # calculator cli w/ currency conversion
       (makeDesktopItem {
         name = "scratch-calc";
diff --git a/modules/xdg.nix b/modules/xdg.nix
index 7b55c819..e8258d54 100644
--- a/modules/xdg.nix
+++ b/modules/xdg.nix
@@ -1,7 +1,7 @@
 # xdg.nix
 #
 # Set up and enforce XDG compliance. Other modules will take care of their own,
-# but this takes care of the general case.
+# but this takes care of the general cases.
 
 { config, home-manager, ... }:
 {
@@ -41,7 +41,7 @@
       # ICEAUTHORITY    = "$XDG_CACHE_HOME/ICEauthority";
     };
 
-    # Move ~/.Xauthority out of $HOME
+    # Move ~/.Xauthority out of $HOME (setting XAUTHORITY early isn't enough)
     extraInit = ''
       export XAUTHORITY=/tmp/Xauthority
       [ -e ~/.Xauthority ] && mv -f ~/.Xauthority "$XAUTHORITY"