update some option descriptions

modules/options/global.nix

@@ -1,12 +1,12 @@
 { inputs, self, ... }: let
   mkExtraPackagesDescription = optionName: "This option is equivalent to `${optionName}`, and exists purely for convenience.";
 in {
-  imports = [ (inputs.helpers.mkMirroredModulesFlakeModule "globalOptions" ({ lib, ... }: {
+  imports = [ (inputs.helpers.mkMirroredModulesFlakeModule "globalOptions" ({ lib, config, ... }: {
     options.info = {
       rootPath = lib.mkOption {
         type = lib.types.str;
-        description = "Used to tell the config the global path to the flake's root directory, in order to perform direct symlinking (not in `/nix/store`).";
-        default = "/home/grey/nixos";
+        description = "Used to tell the config the absolute path to this flake's root directory, in order to perform actual symlinking (not in `/nix/store` but directly in the directory specified here).";
+        defaultText = "/home/<config.info.userName>/flake";
       };
 
       userName = lib.mkOption {
@@ -21,6 +21,10 @@ in {
         default = "";
       };
     };
+
+    config = {
+      info.rootPath = lib.mkDefault "/home/${config.info.userName}/flake";
+    };
   })) ];
 
   flake.nixosModules.globalOptions = { lib, ... }: {
@@ -36,19 +40,19 @@ in {
         bootLoader = {
           selection = lib.mkOption {
             type = inputs.helpers.mkEnumFromDirContents "${self}/modules/components/boot-loaders";
-            description = "This option defines the bootloader that should be used, enabling any config associated with it in the process.";
+            description = "Defines the bootloader that should be used, enabling any config associated with it in the process.";
             default = "grub";
           };
 
           timeout = lib.mkOption {
             type = lib.types.int;
-            description = "This option defines the timeout length that the bootloader should use, which controls the wait time for keyboard input before selecting the default entry.";
+            description = "Defines the timeout length that the bootloader should use (the wait time for keyboard input before selecting the default entry).";
             default = 5;
           };
 
           maxGenerations = lib.mkOption {
             type = lib.types.int;
-            description = "This option defines how many entries should be displayed in the bootloader, which can be useful when there are many NixOS generations present before garbage-collection.";
+            description = "Limits how many entries should be displayed in the bootloader, which can be useful when there are many NixOS generations present before garbage-collection.";
             default = 10;
           };
         };