added a note about the twig extensions repository in the doc

diff --git a/doc/02-Twig-for-Template-Designers.markdown b/doc/02-Twig-for-Template-Designers.markdown
index 00becdc..7f780c2 100644 (file)
--- a/doc/02-Twig-for-Template-Designers.markdown
+++ b/doc/02-Twig-for-Template-Designers.markdown
@@ -1063,3 +1063,10 @@ with automatic escaping enabled this variable will not be escaped.
     {% autoescape on }
       {{ var|safe }} {# var won't be escaped #}
     {% autoescape off %}
+
+Extensions
+----------
+
+Twig can be easily extended. If you are looking for new tags or filters, have
+a look at the Twig official extension repository:
+http://github.com/fabpot/Twig-extensions.

diff --git a/doc/04-Extending-Twig.markdown b/doc/04-Extending-Twig.markdown
index 60bce0c..669c51c 100644 (file)
--- a/doc/04-Extending-Twig.markdown
+++ b/doc/04-Extending-Twig.markdown
@@ -9,6 +9,10 @@ support for internationalization.
 Most of the time, it is useful to create a single extension for your project,
 to host all the specific tags and filters you want to add to Twig.
 
+>**NOTE**
+>Before writing your own extensions, have a look at the Twig official extension
+>repository: http://github.com/fabpot/Twig-extensions.
+
 Anatomy of an Extension
 -----------------------