diff --git a/.zenodo.json b/.zenodo.json
index 78fbbb8..a744f34 100644
--- a/.zenodo.json
+++ b/.zenodo.json
@@ -12,6 +12,8 @@
     "keywords": [
 		"Ziggurat",
 		"Gaussian",
-		"Java"
+		"Java",
+		"normal distribution",
+		"pseudorandom numbers"
 	]
 }