Add tabindex -1 to skip on tabbing.

app/views/projects/notes/_form.html.haml

@@ -17,8 +17,8 @@
       = f.text_area :note, size: 255, class: 'note_text js-note-text js-gfm-input markdown-area'
 
       .light.clearfix
-        .pull-left Comments are parsed with #{link_to "GitLab Flavored Markdown", help_page_path("markdown", "markdown"), target: '_blank'}
-        .pull-right Attach images (JPG, PNG, GIF) by dragging & dropping or #{link_to "selecting them", '#', class: 'markdown-selector' }.
+        .pull-left Comments are parsed with #{link_to "GitLab Flavored Markdown", help_page_path("markdown", "markdown"),{ target: '_blank', tabindex: -1 }}
+        .pull-right Attach images (JPG, PNG, GIF) by dragging & dropping or #{link_to "selecting them", '#', class: 'markdown-selector', tabindex: -1 }.
 
     .note-preview-holder.hide
       .js-note-preview