diff --git a/ethgraphql/main.go b/ethgraphql/main.go
index 388b2a2c2d44..3c81c80e2356 100644
--- a/ethgraphql/main.go
+++ b/ethgraphql/main.go
@@ -743,7 +743,7 @@ func (b *Block) Logs(ctx context.Context, args struct{ Filter BlockFilterCriteri
 	return runFilter(ctx, b.backend, filter)
 }
 
-// Resolver is the top-level object in the GraphQL heirarchy.
+// Resolver is the top-level object in the GraphQL hierarchy.
 type Resolver struct {
 	backend *eth.EthAPIBackend
 }