diff --git a/x/auth/vesting/types/period.go b/x/auth/vesting/types/period.go
index 6bf7bffcceeb..174bd3437a1e 100644
--- a/x/auth/vesting/types/period.go
+++ b/x/auth/vesting/types/period.go
@@ -31,7 +31,7 @@ func (p Periods) TotalDuration() time.Duration {
 	return time.Duration(len) * time.Second
 }
 
-// TotalDuration returns the sum of coins for the period
+// TotalAmount returns the sum of coins for the period
 func (p Periods) TotalAmount() sdk.Coins {
 	total := sdk.Coins{}
 	for _, period := range p {