Ruby - redirect_to redirects to the correct page, but isn't changing the URL

I am teaching myself Ruby and Rails... and until today, have been feeling pretty good about it. :)

However, today I ran into an issue I can't seem to crack. I am practicing by creating a blog. I have the routes and views set up - and the code will write to the database - but the redirect_to doesn't seem to be working properly.

If the user navigates to: .../article/new, they can enter a new article. Upon successful submission, the app should redirect to the URL ../article/id, display the article on show.html.erb and flash a message that the article saved successfully.

For some reason, I cannot get the URL redirect portion to work. The article saves, the show.html.erb displays with the proper message... but the url stays ../article/new. If the redirect doesn't work, the rest of the application won't work because other actions require different URLs (../article/id/edit, for example).

I have been using

<%= @article.inspect %>

Any thoughts would be very, very welcome. I'm really excited to be learning Ruby and Rails and look forward to getting through this.

articles_controller.rb:

class ArticlesController < ApplicationController
  def new
    @article = Article.new
  end

  def create
    @article = Article.new(article_params)
    if @article.save
      flash[:notice] = "Article was successfully created"
      redirect_to article_path(@article)
    else
      render 'new'
    end
  end

  def show
    @article = Article.find(params[:id])
  end

  private
  def article_params
    params.require(:article).permit(:title, :description)
  end
end

rake routes:

Prefix Verb   URI Pattern                  Controller#Action
        root GET    /                            pages#home
       about GET    /about(.:format)             pages#about
    articles GET    /articles(.:format)          articles#index
             POST   /articles(.:format)          articles#create
 new_article GET    /articles/new(.:format)      articles#new
edit_article GET    /articles/:id/edit(.:format) articles#edit
     article GET    /articles/:id(.:format)      articles#show
             PATCH  /articles/:id(.:format)      articles#update
             PUT    /articles/:id(.:format)      articles#update
             DELETE /articles/:id(.:format)      articles#destroy