diff --git a/app/models/concerns/heartbeatable.rb b/app/models/concerns/heartbeatable.rb
index b00c85d..e6fae4f 100644
--- a/app/models/concerns/heartbeatable.rb
+++ b/app/models/concerns/heartbeatable.rb
@@ -4,7 +4,7 @@ module Heartbeatable
   included do
     # Filter heartbeats to only include those with category equal to "coding"
     scope :coding_only, -> { where(category: "coding") }
-    
+
     # This is to prevent PG timestamp overflow errors if someones gives us a
     # heartbeat with a time that is enormously far in the future.
     scope :with_valid_timestamps, -> { where("time >= 0 AND time <= ?", 253402300799) }
@@ -59,7 +59,7 @@ module Heartbeatable
 
     def duration_seconds(scope = all)
       scope = scope.coding_only.with_valid_timestamps
-      
+
       if scope.group_values.any?
         group_column = scope.group_values.first
 
diff --git a/app/models/user.rb b/app/models/user.rb
index 772df63..cd0fbbd 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -187,7 +187,7 @@ class User < ApplicationRecord
     email = email_addresses&.first&.email
     return "error displaying name" unless email.present?
 
-    email.split('@')&.first + " (email sign-up)"
+    email.split("@")&.first + " (email sign-up)"
   end
 
   def project_names
diff --git a/db/migrate/20250315214819_add_index_category_time_heartbeats.rb b/db/migrate/20250315214819_add_index_category_time_heartbeats.rb
index d66027c..a9c421b 100644
--- a/db/migrate/20250315214819_add_index_category_time_heartbeats.rb
+++ b/db/migrate/20250315214819_add_index_category_time_heartbeats.rb
@@ -1,5 +1,5 @@
 class AddIndexCategoryTimeHeartbeats < ActiveRecord::Migration[8.0]
   def change
-    add_index :heartbeats, [:category, :time], name: 'index_heartbeats_on_category_and_time'
+    add_index :heartbeats, [ :category, :time ], name: 'index_heartbeats_on_category_and_time'
   end
 end