diff --git a/internal/client/client.go b/internal/client/client.go
index 11332df..cf45601 100644
--- a/internal/client/client.go
+++ b/internal/client/client.go
@@ -27,6 +27,7 @@ func NewClient(db db.DB, s3 s3.S3) *Client {
 	}
 }
 
+// createRandomString creates a random string of length 6 to be used as a slug
 func createRandomString() string {
 	s := make([]rune, 6)
 	for i := range s {
@@ -35,6 +36,7 @@ func createRandomString() string {
 	return string(s)
 }
 
+// createValidSlug creates a valid slug that is not yet in use
 func (c *Client) createValidSlug(ctx context.Context) (string, error) {
 	for i := 0; i < 10; i++ {
 		slug := createRandomString()
@@ -52,10 +54,12 @@ func (c *Client) createValidSlug(ctx context.Context) (string, error) {
 	return "", errors.New("could not create valid slug after 10 tries")
 }
 
+// GetShare returns the share with the given slug, nil if not found
 func (c *Client) GetShare(ctx context.Context, slug string) (*types.Share, error) {
 	return c.db.GetShare(ctx, slug)
 }
 
+// CreateShare creates a new share with the given key and returns the share with the slug
 func (c *Client) CreateShare(ctx context.Context, key string) (*types.Share, error) {
 	slug, err := c.createValidSlug(ctx)
 	if err != nil {
@@ -84,14 +88,17 @@ func (c *Client) CreateShare(ctx context.Context, key string) (*types.Share, err
 	return share, nil
 }
 
+// GetObjectFromShare returns the s3 object to the given share
 func (c *Client) GetObjectFromShare(ctx context.Context, share *types.Share) (s3.ObjectReader, error) {
 	return c.s3.GetObject(ctx, share.Key)
 }
 
+// DeleteShare deletes the share with the given slug
 func (c *Client) DeleteShare(ctx context.Context, slug string) error {
 	return c.db.DeleteShare(ctx, slug)
 }
 
+// GetObjectMetadata returns the metadata of the object with the given key
 func (c *Client) GetObjectMetadata(ctx context.Context, key string) (*types.Metadata, error) {
 	metadata, err := c.s3.GetObjectMetadata(ctx, key)
 	if err != nil {
@@ -109,6 +116,7 @@ func (c *Client) GetObjectMetadata(ctx context.Context, key string) (*types.Meta
 	return metadata, nil
 }
 
+// GetAllShares returns all shares
 func (c *Client) GetAllShares(ctx context.Context) ([]*types.Share, error) {
 	return c.db.GetAllShares(ctx)
 }