diff --git a/README.md b/README.md
index 1a7e39f8..b85915a8 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,8 @@ Passive:
 
 * dogpile: Dogpile search engine - www.dogpile.com
 
+* duckduckgo:
+
 * google: Google search engine (Optional Google dorking.) - www.google.com
 
 * googleCSE: Google custom search engine