diff --git a/config/refspec.go b/config/refspec.go
index 4bfaa37bb..e2cf8c97b 100644
--- a/config/refspec.go
+++ b/config/refspec.go
@@ -64,7 +64,7 @@ func (s RefSpec) IsExactSHA1() bool {
 	return plumbing.IsHash(s.Src())
 }
 
-// Src return the src side.
+// Src returns the src side.
 func (s RefSpec) Src() string {
 	spec := string(s)
 
diff --git a/plumbing/format/config/section.go b/plumbing/format/config/section.go
index 07f72f35a..4625ac583 100644
--- a/plumbing/format/config/section.go
+++ b/plumbing/format/config/section.go
@@ -103,7 +103,7 @@ func (s *Section) RemoveSubsection(name string) *Section {
 	return s
 }
 
-// Option return the value for the specified key. Empty string is returned if
+// Option returns the value for the specified key. Empty string is returned if
 // key does not exists.
 func (s *Section) Option(key string) string {
 	return s.Options.Get(key)
diff --git a/plumbing/memory.go b/plumbing/memory.go
index 21337cc0d..6d11271dd 100644
--- a/plumbing/memory.go
+++ b/plumbing/memory.go
@@ -25,13 +25,13 @@ func (o *MemoryObject) Hash() Hash {
 	return o.h
 }
 
-// Type return the ObjectType
+// Type returns the ObjectType
 func (o *MemoryObject) Type() ObjectType { return o.t }
 
 // SetType sets the ObjectType
 func (o *MemoryObject) SetType(t ObjectType) { o.t = t }
 
-// Size return the size of the object
+// Size returns the size of the object
 func (o *MemoryObject) Size() int64 { return o.sz }
 
 // SetSize set the object size, a content of the given size should be written
diff --git a/plumbing/object/change.go b/plumbing/object/change.go
index 8b119bc9c..3c619df86 100644
--- a/plumbing/object/change.go
+++ b/plumbing/object/change.go
@@ -39,7 +39,7 @@ func (c *Change) Action() (merkletrie.Action, error) {
 	return merkletrie.Modify, nil
 }
 
-// Files return the files before and after a change.
+// Files returns the files before and after a change.
 // For insertions from will be nil. For deletions to will be nil.
 func (c *Change) Files() (from, to *File, err error) {
 	action, err := c.Action()
diff --git a/plumbing/reference.go b/plumbing/reference.go
index 08e908f1f..deb50676a 100644
--- a/plumbing/reference.go
+++ b/plumbing/reference.go
@@ -168,22 +168,22 @@ func NewHashReference(n ReferenceName, h Hash) *Reference {
 	}
 }
 
-// Type return the type of a reference
+// Type returns the type of a reference
 func (r *Reference) Type() ReferenceType {
 	return r.t
 }
 
-// Name return the name of a reference
+// Name returns the name of a reference
 func (r *Reference) Name() ReferenceName {
 	return r.n
 }
 
-// Hash return the hash of a hash reference
+// Hash returns the hash of a hash reference
 func (r *Reference) Hash() Hash {
 	return r.h
 }
 
-// Target return the target of a symbolic reference
+// Target returns the target of a symbolic reference
 func (r *Reference) Target() ReferenceName {
 	return r.target
 }
diff --git a/plumbing/transport/git/common.go b/plumbing/transport/git/common.go
index 306aae261..c18d600c2 100644
--- a/plumbing/transport/git/common.go
+++ b/plumbing/transport/git/common.go
@@ -77,14 +77,14 @@ func (c *command) StderrPipe() (io.Reader, error) {
 	return nil, nil
 }
 
-// StdinPipe return the underlying connection as WriteCloser, wrapped to prevent
+// StdinPipe returns the underlying connection as WriteCloser, wrapped to prevent
 // call to the Close function from the connection, a command execution in git
 // protocol can't be closed or killed
 func (c *command) StdinPipe() (io.WriteCloser, error) {
 	return ioutil.WriteNopCloser(c.conn), nil
 }
 
-// StdoutPipe return the underlying connection as Reader
+// StdoutPipe returns the underlying connection as Reader
 func (c *command) StdoutPipe() (io.Reader, error) {
 	return c.conn, nil
 }
diff --git a/storage/filesystem/shallow.go b/storage/filesystem/shallow.go
index afb600cf2..ac48fdfbb 100644
--- a/storage/filesystem/shallow.go
+++ b/storage/filesystem/shallow.go
@@ -34,7 +34,7 @@ func (s *ShallowStorage) SetShallow(commits []plumbing.Hash) error {
 	return err
 }
 
-// Shallow return the shallow commits reading from shallo file from .git
+// Shallow returns the shallow commits reading from shallo file from .git
 func (s *ShallowStorage) Shallow() ([]plumbing.Hash, error) {
 	f, err := s.dir.Shallow()
 	if f == nil || err != nil {