Fix broken syntax in filters.md
@@ -62,7 +62,7 @@ The resulting tree will contain the contents of the
workspace root as well as additional files specified in the ``workspace.josh`` file.
(see [Workspaces](./workspace.md))
-### Text replacement **`:replace="regex","replacement"`
+### Text replacement **`:replace="regex","replacement"`**
Applies the supplied regular expression to every file in the input tree.
## Pattern filters
