diff --git a/elastic_recheck/query_builder.py b/elastic_recheck/query_builder.py
index 1cde8cc1..277a6cd5 100644
--- a/elastic_recheck/query_builder.py
+++ b/elastic_recheck/query_builder.py
@@ -14,7 +14,7 @@
 
 """Query builder for pyelasticsearch
 
-A serious of utility methods to build the kinds of queries that are needed
+A set of utility methods to build the kinds of queries that are needed
 by elastic recheck to talk with elastic search.
 """