diff --git a/hosts/default/configuration.nix b/hosts/default/configuration.nix
index 6a2c614..0afc4ac 100644
--- a/hosts/default/configuration.nix
+++ b/hosts/default/configuration.nix
@@ -105,6 +105,7 @@
     python312Packages.pip
     python312Packages.python-lsp-server
     nil
+    marksman
   ];
 
   programs.light.enable = true;
diff --git a/modules/home-manager/helix/default.nix b/modules/home-manager/helix/default.nix
index fdedd26..ba208be 100644
--- a/modules/home-manager/helix/default.nix
+++ b/modules/home-manager/helix/default.nix
@@ -9,7 +9,7 @@
       editor = {
         line-number = "relative";
         shell = ["sh" "-c"];
-        rulers = [79];
+        rulers = [80];
 
         statusline = {
           left = ["mode" "version-control" "file-name"];