org.texi: Fix last commit

* doc/org.texi (Column width and alignment): Fix keybinding and
  function syntax.

doc/org.texi

@@ -2361,9 +2361,9 @@ Expand all columns.
 @end table
 
 To see the full text of a shrunk field, hold the mouse over it---a tool-tip
-window then shows the full content.  Alternatively ‘C-h .’
-(‘display-local-help’) reveals the full content.  For convenience, any change
-to a shrunk column expands it.
+window then shows the full content.  Alternatively @kbd{C-h .}
+(@code{display-local-help}) reveals the full content.  For convenience, any
+change to a shrunk column expands it.
 
 @vindex org-startup-shrink-all-tables
 Setting the option @code{org-startup-shrink-all-tables} shrinks all columns