diff --git a/modules/system/defaults/NSGlobalDomain.nix b/modules/system/defaults/NSGlobalDomain.nix
index 1115e0c2..2d2e54d7 100644
--- a/modules/system/defaults/NSGlobalDomain.nix
+++ b/modules/system/defaults/NSGlobalDomain.nix
@@ -43,7 +43,7 @@ in {
       type = types.nullOr (types.enum [ "Dark" ]);
       default = null;
       description = ''
-        Set to 'Dark' to enable dark mode, or leave unset for normal mod.
+        Set to 'Dark' to enable dark mode, or leave unset for normal mode.
       '';
     };
 
@@ -75,7 +75,7 @@ in {
       type = types.nullOr types.bool;
       default = null;
       description = ''
-        Whether to show all file extensions in finder. The default is false.
+        Whether to show all file extensions in Finder. The default is false.
       '';
     };
 
diff --git a/modules/system/defaults/dock.nix b/modules/system/defaults/dock.nix
index 54c442fe..83dffca4 100644
--- a/modules/system/defaults/dock.nix
+++ b/modules/system/defaults/dock.nix
@@ -45,7 +45,7 @@ in {
       type = types.nullOr types.bool;
       default = null;
       description = ''
-        Whether to hide Dashboard as a Space. The default is false;
+        Whether to hide Dashboard as a Space. The default is false.
       '';
     };
 
@@ -53,7 +53,7 @@ in {
       type = types.nullOr types.bool;
       default = null;
       description = ''
-        Enable spring loading for all Dock items. The default is false;
+        Enable spring loading for all Dock items. The default is false.
       '';
     };
 
diff --git a/modules/system/defaults/loginwindow.nix b/modules/system/defaults/loginwindow.nix
index b60fc95a..0194cc1d 100644
--- a/modules/system/defaults/loginwindow.nix
+++ b/modules/system/defaults/loginwindow.nix
@@ -36,7 +36,7 @@ with lib;
       type = types.nullOr types.str;
       default = null;
       description = ''
-        Text to be shown on the login window. Default "\\U03bb".
+        Text to be shown on the login window. Default is "\\U03bb".
       '';
     };
 
diff --git a/modules/system/defaults/screencapture.nix b/modules/system/defaults/screencapture.nix
index f7efafd4..14142e38 100644
--- a/modules/system/defaults/screencapture.nix
+++ b/modules/system/defaults/screencapture.nix
@@ -17,7 +17,7 @@ with lib;
       type = types.nullOr types.bool;
       default = null;
       description = ''
-          Disable drop shadow border around screencaptures. The default is false;
+          Disable drop shadow border around screencaptures. The default is false.
         '';
     };
   };
diff --git a/modules/system/defaults/spaces.nix b/modules/system/defaults/spaces.nix
index 89308a04..8f256f3b 100644
--- a/modules/system/defaults/spaces.nix
+++ b/modules/system/defaults/spaces.nix
@@ -10,7 +10,7 @@ with lib;
       description = ''
         # Apple menu > System Preferences > Mission Control
         Displays have separate Spaces (note a logout is required before
-        this setting will take affect).
+        this setting will take effect).
 
         false = each physical display has a separate space (Mac default)
         true = one space spans across all physical displays