Corrected grammatical errors and double spacing.

source/page-structure/index.html.erb.md

@@ -35,7 +35,7 @@ Pages with well-structured content are essential for many web users, for example
 
 * **People with cognitive and learning disabilities** can more easily find and prioritize content on the page.
 * **People using screen readers** can skip to the main content directly and navigate to sections that are important to them.
-* **Keyboard users** can browse pages and their sections more efficiently. Otherwise, users have press the tab key  multiple times to navigate through all links in each section.
+* **Keyboard users** can browse pages and their sections more efficiently. Otherwise, users have to press the tab key multiple times to navigate through all links in each section.
 * **People using software that only shows the main content** of a web page, such as people with cognitive disabilities, will receive better results if the page structure is correctly marked up.
 * **People with visual impairments**, including people with low vision, have cues that provide orientation on the page and in the content.
 * **Mobile web users** often have access to a so-called “reader” or “reading” mode that will only show the main content of the page if it is correctly marked up.