Update README.md

NielsdeBlaauw · web-flow · commit ad839aee2dab · 2020-03-14T11:52:33.000+01:00
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
 # facetwp-wp-cli
 Run indexing of FacetWP via WP-CLI
 
-`wp facet index [post_type]`
+`wp facet index --post-type=[post_type]`
