diff --git a/app/dispatcher/fakednssniffer.go b/app/dispatcher/fakednssniffer.go
index 2867eefff..9f9cfbd7d 100644
--- a/app/dispatcher/fakednssniffer.go
+++ b/app/dispatcher/fakednssniffer.go
@@ -14,7 +14,7 @@ import (
 	"github.com/v2fly/v2ray-core/v4/features/dns"
 )
 
-// newFakeDNSSniffer Create a Fake DNS metadata sniffer
+// newFakeDNSSniffer Creates a Fake DNS metadata sniffer
 func newFakeDNSSniffer(ctx context.Context) (protocolSnifferWithMetadata, error) {
 	var fakeDNSEngine dns.FakeDNSEngine
 	err := core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) {
diff --git a/app/dns/dnscommon.go b/app/dns/dnscommon.go
index f9fe4982e..ca7413fcf 100644
--- a/app/dns/dnscommon.go
+++ b/app/dns/dnscommon.go
@@ -13,7 +13,7 @@ import (
 	dns_feature "github.com/v2fly/v2ray-core/v4/features/dns"
 )
 
-// Fqdn normalize domain make sure it ends with '.'
+// Fqdn normalizes domain make sure it ends with '.'
 func Fqdn(domain string) string {
 	if len(domain) > 0 && strings.HasSuffix(domain, ".") {
 		return domain
@@ -163,7 +163,7 @@ func buildReqMsgs(domain string, option dns_feature.IPOption, reqIDGen func() ui
 	return reqs
 }
 
-// parseResponse parse DNS answers from the returned payload
+// parseResponse parses DNS answers from the returned payload
 func parseResponse(payload []byte) (*IPRecord, error) {
 	var parser dnsmessage.Parser
 	h, err := parser.Start(payload)
diff --git a/app/dns/fakedns/fake.go b/app/dns/fakedns/fake.go
index 2822e52c2..bd09f5841 100644
--- a/app/dns/fakedns/fake.go
+++ b/app/dns/fakedns/fake.go
@@ -105,7 +105,7 @@ func (fkdns *Holder) initialize(ipPoolCidr string, lruSize int) error {
 	return nil
 }
 
-// GetFakeIPForDomain check and generate a fake IP for a domain name
+// GetFakeIPForDomain checks and generate a fake IP for a domain name
 func (fkdns *Holder) GetFakeIPForDomain(domain string) []net.Address {
 	if v, ok := fkdns.domainToIP.Get(domain); ok {
 		return []net.Address{v.(net.Address)}
@@ -128,7 +128,7 @@ func (fkdns *Holder) GetFakeIPForDomain(domain string) []net.Address {
 	return []net.Address{ip}
 }
 
-// GetDomainFromFakeDNS check if an IP is a fake IP and have corresponding domain name
+// GetDomainFromFakeDNS checks if an IP is a fake IP and have corresponding domain name
 func (fkdns *Holder) GetDomainFromFakeDNS(ip net.Address) string {
 	if !ip.Family().IsIP() || !fkdns.ipRange.Contains(ip.IP()) {
 		return ""
diff --git a/app/observatory/burst/healthping.go b/app/observatory/burst/healthping.go
index 6f88cff50..a59a61487 100644
--- a/app/observatory/burst/healthping.go
+++ b/app/observatory/burst/healthping.go
@@ -175,7 +175,7 @@ func (h *HealthPing) doCheck(tags []string, duration time.Duration, rounds int)
 	}
 }
 
-// PutResult put a ping rtt to results
+// PutResult puts a ping rtt to results
 func (h *HealthPing) PutResult(tag string, rtt time.Duration) {
 	h.access.Lock()
 	defer h.access.Unlock()
diff --git a/common/antireplay/replayfilter.go b/common/antireplay/replayfilter.go
index 4e0783d12..241f28822 100644
--- a/common/antireplay/replayfilter.go
+++ b/common/antireplay/replayfilter.go
@@ -9,7 +9,7 @@ import (
 
 const replayFilterCapacity = 100000
 
-// ReplayFilter check for replay attacks.
+// ReplayFilter checks for replay attacks.
 type ReplayFilter struct {
 	lock     sync.Mutex
 	poolA    *cuckoo.Filter
@@ -19,7 +19,7 @@ type ReplayFilter struct {
 	interval int64
 }
 
-// NewReplayFilter create a new filter with specifying the expiration time interval in seconds.
+// NewReplayFilter creates a new filter with specifying the expiration time interval in seconds.
 func NewReplayFilter(interval int64) *ReplayFilter {
 	filter := &ReplayFilter{}
 	filter.interval = interval
@@ -31,7 +31,7 @@ func (filter *ReplayFilter) Interval() int64 {
 	return filter.interval
 }
 
-// Check determine if there are duplicate records.
+// Check determines if there are duplicate records.
 func (filter *ReplayFilter) Check(sum []byte) bool {
 	filter.lock.Lock()
 	defer filter.lock.Unlock()
diff --git a/common/buf/multi_buffer.go b/common/buf/multi_buffer.go
index b49f3bbe6..bdfb0d684 100644
--- a/common/buf/multi_buffer.go
+++ b/common/buf/multi_buffer.go
@@ -53,7 +53,7 @@ func MergeBytes(dest MultiBuffer, src []byte) MultiBuffer {
 	return dest
 }
 
-// ReleaseMulti release all content of the MultiBuffer, and returns an empty MultiBuffer.
+// ReleaseMulti releases all content of the MultiBuffer, and returns an empty MultiBuffer.
 func ReleaseMulti(mb MultiBuffer) MultiBuffer {
 	for i := range mb {
 		mb[i].Release()
@@ -235,7 +235,7 @@ func (mb MultiBuffer) Len() int32 {
 	return size
 }
 
-// IsEmpty return true if the MultiBuffer has no content.
+// IsEmpty returns true if the MultiBuffer has no content.
 func (mb MultiBuffer) IsEmpty() bool {
 	for _, b := range mb {
 		if !b.IsEmpty() {
@@ -283,14 +283,14 @@ func (c *MultiBufferContainer) Write(b []byte) (int, error) {
 	return len(b), nil
 }
 
-// WriteMultiBuffer implement Writer.
+// WriteMultiBuffer implements Writer.
 func (c *MultiBufferContainer) WriteMultiBuffer(b MultiBuffer) error {
 	mb, _ := MergeMulti(c.MultiBuffer, b)
 	c.MultiBuffer = mb
 	return nil
 }
 
-// Close implement io.Closer.
+// Close implements io.Closer.
 func (c *MultiBufferContainer) Close() error {
 	c.MultiBuffer = ReleaseMulti(c.MultiBuffer)
 	return nil
diff --git a/common/cache/lru.go b/common/cache/lru.go
index e1ffae6e7..00dbbc8f3 100644
--- a/common/cache/lru.go
+++ b/common/cache/lru.go
@@ -25,7 +25,7 @@ type lruElement struct {
 	value interface{}
 }
 
-// NewLru init a lru cache
+// NewLru initializes a lru cache
 func NewLru(cap int) Lru {
 	return &lru{
 		capacity:         cap,