Install some aspell dictionaries
diff --git a/modules/dictionaries.nix b/modules/dictionaries.nix
new file mode 100644
index 0000000..1fe561f
--- /dev/null
+++ b/modules/dictionaries.nix
@@ -0,0 +1,8 @@
+{pkgs,...}: {
+  config.environment.systemPackages = with pkgs.aspellDicts; [
+    pkgs.aspell
+    en
+    en-computers
+    en-science
+  ];
+}