adding persist_for and its description
Change-Id: I2fd44f69e67f921cfed77776d93ccd7a9a4a03e3
diff --git a/l4c_demo.model.lkml b/l4c_demo.model.lkml
index 19e00ec..5d92a65 100644
--- a/l4c_demo.model.lkml
+++ b/l4c_demo.model.lkml
@@ -4,4 +4,7 @@
 # Date: 04/19/2021
 #######################
 
+# Turn off caching so that users never get cached results for a query
+persist_for: "0 seconds"
+
 connection: "l4c_testing"