rename from toolkit/components/url-classifier/flash-block-lists.rst
rename to toolkit/components/url-classifier/docs/flash-block-lists.rst

new file mode 100644
--- /dev/null
+++ b/toolkit/components/url-classifier/docs/index.rst
@@ -0,0 +1,8 @@
+==============
+URL Classifier
+==============
+
+.. toctree::
+   :maxdepth: 1
+
+   flash-block-lists

--- a/toolkit/components/url-classifier/moz.build
+++ b/toolkit/components/url-classifier/moz.build
@@ -79,9 +79,11 @@ LOCAL_INCLUDES += [
 CXXFLAGS += CONFIG['SQLITE_CFLAGS']
 
 if CONFIG['GNU_CXX']:
     CXXFLAGS += ['-Wno-error=shadow']
 
 if CONFIG['NIGHTLY_BUILD'] or CONFIG['MOZ_DEBUG']:
     DEFINES['MOZ_SAFEBROWSING_DUMP_FAILED_UPDATES'] = True
 
+SPHINX_TREES['url-classifier'] = 'docs'
+
 include('/ipc/chromium/chromium-config.mozbuild')