diff --git a/src/backend/catalog/namespace.c b/src/backend/catalog/namespace.c
index 8b105fe..036eb37 100644
--- a/src/backend/catalog/namespace.c
+++ b/src/backend/catalog/namespace.c
@@ -513,7 +513,7 @@ RangeVarGetCreationNamespace(const RangeVar *newRelation)
  * As a side effect, this function acquires AccessShareLock on the target
  * namespace.  Without this, the namespace could be dropped before our
  * transaction commits, leaving behind relations with relnamespace pointing
- * to a no-longer-exstant namespace.
+ * to a no-longer-existant namespace.
  *
  * As a further side-effect, if the select namespace is a temporary namespace,
  * we mark the RangeVar as RELPERSISTENCE_TEMP.