diff --git a/db/migrate/20260202210552_create_pghero_query_stats.rb b/db/migrate/20260202210552_create_pghero_query_stats.rb
index 808155c..bb328e8 100644
--- a/db/migrate/20260202210552_create_pghero_query_stats.rb
+++ b/db/migrate/20260202210552_create_pghero_query_stats.rb
@@ -10,6 +10,6 @@ class CreatePgheroQueryStats < ActiveRecord::Migration[8.1]
       t.timestamp :captured_at
     end
 
-    add_index :pghero_query_stats, [:database, :captured_at]
+    add_index :pghero_query_stats, [ :database, :captured_at ]
   end
-end
\ No newline at end of file
+end
diff --git a/db/migrate/20260202210555_create_pghero_space_stats.rb b/db/migrate/20260202210555_create_pghero_space_stats.rb
index 4facf68..c886620 100644
--- a/db/migrate/20260202210555_create_pghero_space_stats.rb
+++ b/db/migrate/20260202210555_create_pghero_space_stats.rb
@@ -8,6 +8,6 @@ class CreatePgheroSpaceStats < ActiveRecord::Migration[8.1]
       t.timestamp :captured_at
     end
 
-    add_index :pghero_space_stats, [:database, :captured_at]
+    add_index :pghero_space_stats, [ :database, :captured_at ]
   end
-end
\ No newline at end of file
+end