diff --git a/.formatter.exs b/.formatter.exs
index ef8840c..3b72d16 100644
--- a/.formatter.exs
+++ b/.formatter.exs
@@ -1,6 +1,6 @@
+# Used by "mix format"
 [
-  import_deps: [:ecto, :ecto_sql, :phoenix],
-  subdirectories: ["priv/*/migrations"],
+  inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"],
   plugins: [Phoenix.LiveView.HTMLFormatter],
-  inputs: ["*.{heex,ex,exs}", "{config,lib,test}/**/*.{heex,ex,exs}", "priv/*/seeds.exs"]
+  import_deps: [:ecto, :ecto_sql, :phoenix]
 ]
diff --git a/lib/slax_web/live/chat_room/helpers/room_helpers.ex b/lib/slax_web/live/chat_room/helpers/room_helpers.ex
index a533cbb..57e1838 100644
--- a/lib/slax_web/live/chat_room/helpers/room_helpers.ex
+++ b/lib/slax_web/live/chat_room/helpers/room_helpers.ex
@@ -39,11 +39,13 @@ defmodule SlaxWeb.Live.ChatRoom.Helpers.Room do
       {:error, "Invalid input: max_rooms_supported must be a positive number"}
 
   """
-  def build_chat_room(max_rooms_supported) when is_number(max_rooms_supported) and max_rooms_supported > 0 do
+  def build_chat_room(max_rooms_supported)
+      when is_number(max_rooms_supported) and max_rooms_supported > 0 do
     room_id = Enum.random(0..max_rooms_supported)
     room_name = generate_room_name_random(room_id)
 
-    {:ok, %Room{room_id: room_id, room_name: room_name, user_connected_count: @initial_users_in_room}}
+    {:ok,
+     %Room{room_id: room_id, room_name: room_name, user_connected_count: @initial_users_in_room}}
   end
 
   # Error handling for invalid inputs (non-numbers or non-positive numbers)
@@ -66,7 +68,16 @@ defmodule SlaxWeb.Live.ChatRoom.Helpers.Room do
   def anyone_connected?(chat_room), do: chat_room.user_connected_count > 0
 
   defp generate_room_name_random(room_id) do
-    marvel_heroes_names = ["Iron man", "Spider-man", "Hawkeye", "Nick Furry", "Nebula", "Ant-man", "Phoenix", "Wanda"]
+    marvel_heroes_names = [
+      "Iron man",
+      "Spider-man",
+      "Hawkeye",
+      "Nick Furry",
+      "Nebula",
+      "Ant-man",
+      "Phoenix",
+      "Wanda"
+    ]
 
     # Ensure the list is not empty before attempting random selection
     if length(marvel_heroes_names) == 0 do
diff --git a/lib/slax_web/live/chat_room/page/room_page.ex b/lib/slax_web/live/chat_room/page/room_page.ex
index 22d7e85..73bad82 100644
--- a/lib/slax_web/live/chat_room/page/room_page.ex
+++ b/lib/slax_web/live/chat_room/page/room_page.ex
@@ -22,7 +22,7 @@ defmodule SlaxWeb.Live.ChatRoom.Page do
               <%= "You are among #{@chat_room_entity.user_connected_count - 1} users connected" %>
             </div>
           <% else %>
-            <div>No one else is connected here except for you 🥲 </div>
+            <div>No one else is connected here except for you 🥲</div>
           <% end %>
         </div>
         """
diff --git a/mix.exs b/mix.exs
index b6982ae..bf6161e 100644
--- a/mix.exs
+++ b/mix.exs
@@ -59,7 +59,7 @@ defmodule Slax.MixProject do
       {:jason, "~> 1.2"},
       {:dns_cluster, "~> 0.1.1"},
       {:bandit, "~> 1.5"},
-      {:dotenv, "~> 3.0.0"},
+      {:dotenv, "~> 3.0.0"}
     ]
   end