diff --git a/doc/filters/index.rst b/doc/filters/index.rst
index db2b39f6a..bd8f49513 100644
--- a/doc/filters/index.rst
+++ b/doc/filters/index.rst
@@ -27,3 +27,4 @@ Filters
     raw
     merge
     slice
+    trim
diff --git a/doc/tags/index.rst b/doc/tags/index.rst
index e44e93d03..f80d78249 100644
--- a/doc/tags/index.rst
+++ b/doc/tags/index.rst
@@ -20,3 +20,4 @@ Tags
     raw
     flush
     do
+    sandbox