diff --git a/CHANGES b/CHANGES
index 910b11fee..43600a147 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,9 @@
 Release 1.2 (in development)
 ============================
 
+* PR#108: Add experimental support for parallel building with a new
+  :option:`-j` option.
+
 * #1070: Avoid un-pickling issues when running Python 3 and the saved
   environment was created under Python 2.
 
diff --git a/doc/invocation.rst b/doc/invocation.rst
index 4cfa48433..c6125ecc5 100644
--- a/doc/invocation.rst
+++ b/doc/invocation.rst
@@ -96,6 +96,15 @@ The :program:`sphinx-build` script has several options:
    the build directory; with this option you can select a different cache
    directory (the doctrees can be shared between all builders).
 
+.. option:: -j N
+
+   Distribute the build over *N* processes in parallel, to make building on
+   multiprocessor machines more effective.  Note that not all parts and not all
+   builders of Sphinx can be parallelized.
+
+   .. versionadded:: 1.2
+      This option should be considered *experimental*.
+
 .. option:: -c path
 
    Don't look for the :file:`conf.py` in the source directory, but use the given