diff --git a/eth/filters/api.go b/eth/filters/api.go
index 0b4e9a91a885..a30eb28befd2 100644
--- a/eth/filters/api.go
+++ b/eth/filters/api.go
@@ -46,7 +46,7 @@ type filter struct {
 }
 
 // FilterAPI offers support to create and manage filters. This will allow external clients to retrieve various
-// information related to the Ethereum protocol such als blocks, transactions and logs.
+// information related to the Ethereum protocol such as blocks, transactions and logs.
 type FilterAPI struct {
 	sys       *FilterSystem
 	events    *EventSystem