accounts/abi: fix comment spelling error

accounts/abi/type.go

@@ -91,7 +91,7 @@ func NewType(t string) (typ Type, err error) {
 		}
 		typ.Elem = &sliceType
 		typ.stringKind = sliceType.stringKind + t[len(res[1]):]
-		// Altough we know that this is an array, we cannot return
+		// Although we know that this is an array, we cannot return
 		// as we don't know the type of the element, however, if it
 		// is still an array, then don't determine the type.
 		if typ.Elem.IsArray || typ.Elem.IsSlice {