diff --git a/samila/params.py b/samila/params.py
index d4f5191..caac472 100644
--- a/samila/params.py
+++ b/samila/params.py
@@ -55,7 +55,7 @@ class Projection(Enum):
 
 
 ELEMENTS_LIST = [
-    "{0}*math.sqrt(abs({1}))"
+    "{0}*math.sqrt(abs({1}))",
     "{0}*math.cos({1})",
     "{0}*math.sin({1})",
     "{0}*{1}",