Merge pull request github#626 from jsoref/spelling

spelling: based

docs/accessibility.md

@@ -87,7 +87,7 @@ data:
         comments: Visual line diffs are annotated with standard "+" and "-" notation to indicated additions and removals.
       - criterion: "(d) Documents shall be organized so they are readable without requiring an associated style sheet."
         support: Supports
-        comments: GitHub uses modern, text-bassed, semantic web development practices, and does not rely on non-HTML plugins or applets such as Java, ActiveX, or Flash except where otherwise noted for non-essential functionality.
+        comments: GitHub uses modern, text-based, semantic web development practices, and does not rely on non-HTML plugins or applets such as Java, ActiveX, or Flash except where otherwise noted for non-essential functionality.
       - criterion: "(e) Redundant text links shall be provided for each active region of a server-side image map."
         support:  Not applicable
         comments: No server-side image maps are used.
@@ -114,7 +114,7 @@ data:
         comments:
       - criterion: "(m) When a web page requires that an applet, plug-in or other application be present on the client system to interpret page content, the page must provide a link to a plug-in or applet that complies with 1194.21(a) through (l)."
         support:  Not applicable
-        comments: The only plugin used is a flash-bassed tool for simplifying the task of copying text visible on the page (such as a commit's unique id) to the user's clipboard. The task may be accomplished through the operating system's standard copy and paste functionality.
+        comments: The only plugin used is a flash-based tool for simplifying the task of copying text visible on the page (such as a commit's unique id) to the user's clipboard. The task may be accomplished through the operating system's standard copy and paste functionality.
       - criterion: "(n) When electronic forms are designed to be completed on-line, the form shall allow people using Assistive Technology to access the information, field elements, and functionality required for completion and submission of the form, including all directions and cues."
         support:  Supports
         comments:
@@ -254,7 +254,7 @@ data:
     criteria:
       - criterion: "(a) At least one mode of operation and information retrieval that does not require user vision shall be provided, or support for Assistive Technology used by people who are blind or visually impaired shall be provided."
         support: Supports
-        comments: All Git-bassed file operations can be performed via the text-only Git command line interface using assistive technology, and all account management and social interactions (e.g., commenting on an issue) can be performed via GitHub.com or GitHub enterprise with assistive technology.
+        comments: All Git-based file operations can be performed via the text-only Git command line interface using assistive technology, and all account management and social interactions (e.g., commenting on an issue) can be performed via GitHub.com or GitHub enterprise with assistive technology.
       - criterion: "(b) At least one mode of operation and information retrieval that does not require visual acuity greater than 20/70 shall be provided in audio and enlarged print output working together or independently, or support for Assistive Technology used by people who are visually impaired shall be provided."
         support: Supports
         comments: All GitHub product support the use of assistive technology and provide the ability, through the user's web browser or operating system to increase the font size.
@@ -293,7 +293,7 @@ data:
     <li class="mb-2">Via the <a href="https://github.com">GitHub.com</a> or <a href="https://enterprise.github.com">GitHub Enterprise</a> web interface through a modern browser</li>
     <li class="mb-2">Via the <a href="https://desktop.github.com">GitHub Desktop</a> application</li>
     <li class="mb-2">Via the GitHub's open <a href="https://developer.github.com/v3/">application programming interface</a> (API) which provides information in a machine-readable format for integration with other applications</li>
-    <li class="mb-2">Via the open source <a href="http://git-scm.com/">Git</a> command line (interactive, entirely text-bassed) interface</li>
+    <li class="mb-2">Via the open source <a href="http://git-scm.com/">Git</a> command line (interactive, entirely text-based) interface</li>
   </ol>
   <p>
     Where support below is indicated below as "Supports with exceptions", such a qualification applies to the particular product being evaluated, however, interactions may be accomplished through alternate means such as via the Git command-line interface.