diff --git a/src/com/walmartlabs/lacinia/parser/query.clj b/src/com/walmartlabs/lacinia/parser/query.clj
index 29f96fe6..0046086c 100644
--- a/src/com/walmartlabs/lacinia/parser/query.clj
+++ b/src/com/walmartlabs/lacinia/parser/query.clj
@@ -251,7 +251,7 @@
 
   Currently, the overall structure is best described by the tests.
 
-  Many nodes have meta data of keys :line and :column to describe thier location
+  Many nodes have meta data of keys :line and :column to describe their location
   in the input source (used for error reporting)."
   [input]
   (xform-query