Documentation fix

* doc/org.texi (Include files):
* doc/orgguide.texi (Include files): Remove reference to non-existent
  "quote" markup.

doc/org.texi

@@ -9952,11 +9952,10 @@ include your @file{.emacs} file, you could use:
 @end example
 
 @noindent
-The optional second and third parameter are the markup (e.g., @samp{quote},
-@samp{example}, or @samp{src}), and, if the markup is @samp{src}, the
-language for formatting the contents.  The markup is optional; if it is not
-given, the text will be assumed to be in Org mode format and will be
-processed normally.
+The optional second and third parameter are the markup (i.e., @samp{example}
+or @samp{src}), and, if the markup is @samp{src}, the language for formatting
+the contents.  The markup is optional; if it is not given, the text will be
+assumed to be in Org mode format and will be processed normally.
 
 Contents of the included file will belong to the same structure (headline,
 item) containing the @code{INCLUDE} keyword.  In particular, headlines within

doc/orgguide.texi

@@ -2282,11 +2282,11 @@ include your @file{.emacs} file, you could use:
 #+INCLUDE: "~/.emacs" src emacs-lisp
 @end smallexample
 @noindent
-The optional second and third parameter are the markup (e.g.@: @samp{quote},
-@samp{example}, or @samp{src}), and, if the markup is @samp{src}, the
-language for formatting the contents.  The markup is optional, if it is not
-given, the text will be assumed to be in Org mode format and will be
-processed normally. @kbd{C-c '} will visit the included file.
+The optional second and third parameter are the markup (i.e., @samp{example}
+or @samp{src}), and, if the markup is @samp{src}, the language for formatting
+the contents.  The markup is optional, if it is not given, the text will be
+assumed to be in Org mode format and will be processed normally. @kbd{C-c '}
+will visit the included file.
 
 @node Embedded @LaTeX{},  , Include files, Markup
 @section Embedded @LaTeX{}