doc/org.texi: Rewrite paragraph

doc/org.texi (Evaluating code blocks): Rewrite paragraph to state where
 to find information on enabling other languages.  Without this, it
 isn't clear where to look.

TINYCHANGE.

doc/org.texi

@@ -14968,10 +14968,9 @@ and/or the name of the evaluated code block.  The default value of
 @code{org-babel-results-keyword}.
 
 By default, the evaluation facility is only enabled for Lisp code blocks
-specified as @code{emacs-lisp}.  However, source code blocks in many languages
-can be evaluated within Org mode (see @ref{Languages} for a list of supported
-languages and @ref{Structure of code blocks} for information on the syntax
-used to define a code block).
+specified as @code{emacs-lisp}.  See @ref{Languages} to enable other
+supported languages.  See @ref{Structure of code blocks} for information on
+the syntax used to define a code block.
 
 @kindex C-c C-c
 There are a number of ways to evaluate code blocks.  The simplest is to press