diff --git a/sparql/README.md b/sparql/README.md
index d5176a0..048f8eb 100644
--- a/sparql/README.md
+++ b/sparql/README.md
@@ -1,5 +1,5 @@
 ## This is just a SPARQL playground
 
-There is no certainty that the queries here match the production query templates:
+There is no guarantee that the queries here match the query templates used in production:
 
 https://github.com/filak/MTW-MeSH/tree/master/flask-app/mtw/templates/sparql