diff --git a/cwriter/writer.go b/cwriter/writer.go
index 7fea259..9ec1ec6 100644
--- a/cwriter/writer.go
+++ b/cwriter/writer.go
@@ -10,7 +10,7 @@
 	"golang.org/x/crypto/ssh/terminal"
 )
 
-// NotATTY not a TeleTYpewriter error
+// NotATTY not a TeleTYpewriter error.
 var NotATTY = errors.New("not a terminal")
 
 var cuuAndEd = fmt.Sprintf("%c[%%dA%[1]c[J", 27)
@@ -25,7 +25,7 @@
 	isTerminal bool
 }
 
-// New returns a new Writer with defaults
+// New returns a new Writer with defaults.
 func New(out io.Writer) *Writer {
 	w := &Writer{out: out}
 	if f, ok := out.(*os.File); ok {
@@ -35,7 +35,7 @@
 	return w
 }
 
-// Flush flushes the underlying buffer
+// Flush flushes the underlying buffer.
 func (w *Writer) Flush(lineCount int) (err error) {
 	if w.lineCount > 0 {
 		w.clearLines()
@@ -45,12 +45,12 @@
 	return
 }
 
-// Write appends the contents of p to the underlying buffer
+// Write appends the contents of p to the underlying buffer.
 func (w *Writer) Write(p []byte) (n int, err error) {
 	return w.buf.Write(p)
 }
 
-// WriteString writes string to the underlying buffer
+// WriteString writes string to the underlying buffer.
 func (w *Writer) WriteString(s string) (n int, err error) {
 	return w.buf.WriteString(s)
 }