diff --git a/community/contributing/building_the_manual.rst b/community/contributing/building_the_manual.rst
index 77779b26a..81fe4f77f 100644
--- a/community/contributing/building_the_manual.rst
+++ b/community/contributing/building_the_manual.rst
@@ -82,6 +82,12 @@ program manually:
 
    sphinx-build -b html ./ _build
 
+You can also specify a list of files to build, which can greatly speed up compilation:
+
+.. code:: sh
+
+  sphinx-build -b html ./ _build classes/class_node.rst classes/class_resource.rst
+
 Building with Sphinx and virtualenv
 -----------------------------------