Change user_agrent-> user_agent

db/migrate/20170628020034_create_applies.rb

@@ -5,7 +5,7 @@ class CreateApplies < ActiveRecord::Migration[5.1]
       t.references :job, index: true
       t.datetime :applied_at
       t.string :ip_address
-      t.string :user_agrent
+      t.string :user_agent
 
       t.timestamps
     end

db/schema.rb

@@ -17,7 +17,7 @@ ActiveRecord::Schema.define(version: 20170628020034) do
     t.bigint "job_id"
     t.datetime "applied_at"
     t.string "ip_address"
-    t.string "user_agrent"
+    t.string "user_agent"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.index ["job_id"], name: "index_applies_on_job_id"