Fix Org-mode mismatched quotes; clean up syntax

lib/gollum/frontend/public/javascript/gollum-editor/langs/org.js

@@ -127,15 +127,15 @@ var OrgModeHelp = [
                 },
                 {
                   menuName: 'Lists',
-                  data: '<p>Orgmode supports both ordered and unordered lists. To create an ordered list, simply prefix each line with a number (any number will do &mdash; this is why the editor only uses one number.) To create an unordered list, you can prefix each line with <code>+</code> or <code>-</code>.</p>'
+                  data: '<p>Org-mode supports both ordered and unordered lists. To create an ordered list, simply prefix each line with a number (any number will do &mdash; this is why the editor only uses one number.) To create an unordered list, you can prefix each line with <code>+</code> or <code>-</code>.</p>'
                 },
                 {
                   menuName: 'Code Blocks',
                   data: '<p>Code Blocks are similar to blockquote, except that <code>#+BEGIN_EXAMPLE</code> and <code>#+END_EXAMPLE</code> are used.</p>'
                 },
                 {
                   menuName: 'Tables',
-                  data: '<p>Orgmode supports simple tables (tables with equal number of cells in each row). To create a simple table, just separate the contents of each cell with a <code>|</code> character. For example, <br><br><code>|one|two|three|<br>|four|five|six|</code><br><br> will appear as a table with two rows and three columns.  Additionally, <br><br><code>|one|two|three|<br>|---+---+-----|<br>|four|five|six|</code><br><br> will also appear as a table, but the first row will be interpreted as a header row and the <code>&lt;th&gt;</code> tag will be used to render it. </p>'
+                  data: '<p>Org-mode supports simple tables (tables with equal number of cells in each row). To create a simple table, just separate the contents of each cell with a <code>|</code> character. For example, <br><br><code>|one|two|three|<br>|four|five|six|</code><br><br> will appear as a table with two rows and three columns.  Additionally, <br><br><code>|one|two|three|<br>|---+---+-----|<br>|four|five|six|</code><br><br> will also appear as a table, but the first row will be interpreted as a header row and the <code>&lt;th&gt;</code> tag will be used to render it. </p>'
                 },
               ]
   },
@@ -160,7 +160,7 @@ var OrgModeHelp = [
 
                 {
                   menuName: 'Images',
-                  data: '<p>Orgmode image syntax is exactly same as the syntax that you would use for a URI to link to itself. The image URI is enclosed in double square brackets. org-ruby doesn't yet support alt-text for images.</p>'
+                  data: "<p>Org-mode image syntax is exactly same as the syntax that you would use for a URI to link to itself. The image URI is enclosed in double square brackets. Alt text on images is not currently supported by Gollum's Org-mode parser.</p>"
                 }
               ]
   },