diff --git a/js/src/doc/README.md b/js/src/doc/README.md
index 1239acbfb33..989fa40db7b 100644
--- a/js/src/doc/README.md
+++ b/js/src/doc/README.md
@@ -155,6 +155,6 @@ invoke the following commands:
 This ought to be integrated with mach
 -------------------------------------
 
-Indeed. It should somehow be unified with 'mach build-docs', which seems to
+Indeed. It should somehow be unified with 'mach doc', which seems to
 format in-tree docs of a different kind, and use a different markup
 language (ReStructuredText) and a different formatter (Sphinx).
diff --git a/tools/docs/index.rst b/tools/docs/index.rst
index fae8856b2d9..ae2a9d59305 100644
--- a/tools/docs/index.rst
+++ b/tools/docs/index.rst
@@ -21,8 +21,8 @@ Managing Documentation
 This documentation is generated via the
 `Sphinx <http://sphinx-doc.org/>`_ tool from sources in the tree.
 
-To build the documentation, run ``mach build-docs``. Run
-``mach help build-docs`` to see configurable options.
+To build the documentation, run ``mach doc``. Run
+``mach help doc`` to see configurable options.
 
 Adding Documentation
 --------------------