diff --git a/bn256/bn256.go b/bn256/bn256.go
index 9c99fcd..5d6d198 100644
--- a/bn256/bn256.go
+++ b/bn256/bn256.go
@@ -162,7 +162,7 @@ type G2 struct {
 	p *twistPoint
 }
 
-// RandomG1 returns x and g₂ˣ where x is a random, non-zero number read from r.
+// RandomG2 returns x and g₂ˣ where x is a random, non-zero number read from r.
 func RandomG2(r io.Reader) (*big.Int, *G2, error) {
 	var k *big.Int
 	var err error
diff --git a/openpgp/s2k/s2k.go b/openpgp/s2k/s2k.go
index 9de0495..f53244a 100644
--- a/openpgp/s2k/s2k.go
+++ b/openpgp/s2k/s2k.go
@@ -268,7 +268,7 @@ func HashIdToString(id byte) (name string, ok bool) {
 	return "", false
 }
 
-// HashIdToHash returns an OpenPGP hash id which corresponds the given Hash.
+// HashToHashId returns an OpenPGP hash id which corresponds the given Hash.
 func HashToHashId(h crypto.Hash) (id byte, ok bool) {
 	for _, m := range hashToHashIdMapping {
 		if m.hash == h {
diff --git a/ssh/keys.go b/ssh/keys.go
index 1c7de1a..7296980 100644
--- a/ssh/keys.go
+++ b/ssh/keys.go
@@ -184,7 +184,7 @@ func ParseKnownHosts(in []byte) (marker string, hosts []string, pubKey PublicKey
 	return "", nil, nil, "", nil, io.EOF
 }
 
-// ParseAuthorizedKeys parses a public key from an authorized_keys
+// ParseAuthorizedKey parses a public key from an authorized_keys
 // file used in OpenSSH according to the sshd(8) manual page.
 func ParseAuthorizedKey(in []byte) (out PublicKey, comment string, options []string, rest []byte, err error) {
 	for len(in) > 0 {