diff --git a/dev/option-doc.nix b/dev/option-doc.nix
index 82e0530..96edc0a 100644
--- a/dev/option-doc.nix
+++ b/dev/option-doc.nix
@@ -7,11 +7,21 @@
    }:
 let
   eval = lib.evalModules {
-    modules = modules ++ [{ _module.check = false; }];
+    modules = modules ++ [{
+      options.system.nixos.release = lib.mkOption {
+        type = lib.types.str;
+        default = lib.trivial.release;
+        readOnly = true;
+      };
+
+      config = {
+        _module.check = false;
+      };
+    }];
   };
 
   doc = nixosOptionsDoc {
-    options = lib.filterAttrs (n: _: n != "_module") eval.options;
+    options = lib.filterAttrs (n: lib.const (!(lib.elem n [ "_module" "system" ]))) eval.options;
     documentType = "none";
     revision = version;
   };
diff --git a/modules/home-manager/globals.nix b/modules/home-manager/globals.nix
index 1c9b1f8..0b627fb 100644
--- a/modules/home-manager/globals.nix
+++ b/modules/home-manager/globals.nix
@@ -17,6 +17,7 @@
     sources = lib.mkOption {
       type = lib.types.lazyAttrsOf lib.types.raw;
       default = defaultSources;
+      defaultText = "{ ... }";
       # HACK!
       # without this, overriding one source will delete all others. -@getchoo
       apply = lib.recursiveUpdate defaultSources;
diff --git a/modules/nixos/globals.nix b/modules/nixos/globals.nix
index 1c9b1f8..0b627fb 100644
--- a/modules/nixos/globals.nix
+++ b/modules/nixos/globals.nix
@@ -17,6 +17,7 @@
     sources = lib.mkOption {
       type = lib.types.lazyAttrsOf lib.types.raw;
       default = defaultSources;
+      defaultText = "{ ... }";
       # HACK!
       # without this, overriding one source will delete all others. -@getchoo
       apply = lib.recursiveUpdate defaultSources;