diff --git a/x/auction/types/auctions.go b/x/auction/types/auctions.go
index 203d9fec..3ef09f47 100644
--- a/x/auction/types/auctions.go
+++ b/x/auction/types/auctions.go
@@ -8,10 +8,10 @@ import (
 	"github.com/cosmos/cosmos-sdk/x/supply"
 )
 
-// distantFuture is a very large time value to use as initial the ending time for auctions.
+// DistantFuture is a very large time value to use as initial the ending time for auctions.
 // It is not set to the max time supported. This can cause problems with time comparisons, see https://stackoverflow.com/a/32620397.
 // Also amino panics when encoding times ≥ the start of year 10000.
-var DistantFuture time.Time = time.Date(9000, 1, 1, 0, 0, 0, 0, time.UTC)
+var DistantFuture = time.Date(9000, 1, 1, 0, 0, 0, 0, time.UTC)
 
 // Auction is an interface for handling common actions on auctions.
 type Auction interface {
@@ -57,6 +57,7 @@ func (a BaseAuction) GetBid() sdk.Coin { return a.Bid }
 // GetEndTime is a getter for auction end time.
 func (a BaseAuction) GetEndTime() time.Time { return a.EndTime }
 
+// Validate verifies that the auction end time is before max end time
 func (a BaseAuction) Validate() error {
 	if a.EndTime.After(a.MaxEndTime) {
 		return fmt.Errorf("MaxEndTime < EndTime (%s < %s)", a.MaxEndTime, a.EndTime)
diff --git a/x/auction/types/events.go b/x/auction/types/events.go
index 032882c7..9d85743a 100644
--- a/x/auction/types/events.go
+++ b/x/auction/types/events.go
@@ -1,5 +1,6 @@
 package types
 
+// Events for auction module
 const (
 	EventTypeAuctionStart = "auction_start"
 	EventTypeAuctionBid   = "auction_bid"
diff --git a/x/auction/types/keys.go b/x/auction/types/keys.go
index 03c8cc29..b32188d0 100644
--- a/x/auction/types/keys.go
+++ b/x/auction/types/keys.go
@@ -20,9 +20,11 @@ const (
 	// DefaultParamspace default name for parameter store
 	DefaultParamspace = ModuleName
 
+	// QuerierRoute route used for abci queries
 	QuerierRoute = ModuleName
 )
 
+// Key prefixes
 var (
 	AuctionKeyPrefix       = []byte{0x00} // prefix for keys that store auctions
 	AuctionByTimeKeyPrefix = []byte{0x01} // prefix for keys that are part of the auctionsByTime index
@@ -30,10 +32,12 @@ var (
 	NextAuctionIDKey = []byte{0x02} // key for the next auction id
 )
 
+// GetAuctionKey returns the bytes of an auction key
 func GetAuctionKey(auctionID uint64) []byte {
 	return Uint64ToBytes(auctionID)
 }
 
+// GetAuctionByTimeKey returns the key for iterating auctions by time
 func GetAuctionByTimeKey(endTime time.Time, auctionID uint64) []byte {
 	return append(sdk.FormatTimeBytes(endTime), Uint64ToBytes(auctionID)...)
 }
diff --git a/x/auction/types/params.go b/x/auction/types/params.go
index 5f52f258..cbea5b11 100644
--- a/x/auction/types/params.go
+++ b/x/auction/types/params.go
@@ -54,11 +54,10 @@ func ParamKeyTable() subspace.KeyTable {
 }
 
 // ParamSetPairs implements the ParamSet interface and returns all the key/value pairs.
-// nolint
 func (p *Params) ParamSetPairs() subspace.ParamSetPairs {
 	return subspace.ParamSetPairs{
-		{KeyAuctionBidDuration, &p.BidDuration},
-		{KeyAuctionDuration, &p.MaxAuctionDuration},
+		{Key: KeyAuctionBidDuration, Value: &p.BidDuration},
+		{Key: KeyAuctionDuration, Value: &p.MaxAuctionDuration},
 	}
 }
 
diff --git a/x/auction/types/querier.go b/x/auction/types/querier.go
index 3b373317..34474b9a 100644
--- a/x/auction/types/querier.go
+++ b/x/auction/types/querier.go
@@ -19,8 +19,8 @@ func (n QueryResAuctions) String() string {
 
 // QueryAllAuctionParams is the params for an auctions query
 type QueryAllAuctionParams struct {
-	Page  int `json"page:" yaml:"page"`
-	Limit int `json"limit:" yaml:"limit"`
+	Page  int `json:"page" yaml:"page"`
+	Limit int `json:"limit" yaml:"limit"`
 }
 
 // NewQueryAllAuctionParams creates a new QueryAllAuctionParams