fix mispell (#54)

* fix mispell

* update golint path in travis

* Golint requires Go 1.9 or later

* install golint only if go >=1.9

* exclude go 1.7 and go 1.8 for golint

* add build on go 1.10.x

.travis.yml

@@ -5,6 +5,7 @@ go:
   - 1.7.x
   - 1.8.x
   - 1.9.x
+  - 1.10.x
   - tip
 
 addons:
@@ -14,13 +15,15 @@ addons:
 
 install:
   - go get golang.org/x/tools/cmd/cover
-  - go get github.com/golang/lint/golint
+  # Golint requires Go 1.9 or later.
+  - if ! [[ "$TRAVIS_GO_VERSION" =~ ^1\.7\.([0-9]+|x)$ || "$TRAVIS_GO_VERSION" =~ ^1\.8\.([0-9]+|x)$ ]]; then go get golang.org/x/lint/golint; fi
   - go get github.com/mattn/goveralls
 
 script:
   # a workaround for go test not supporting coverage for multiple packages in a single invocation.
   # If goveralls upload fails, ignore the result.
-  - $HOME/gopath/bin/golint ./...
+  # Golint requires Go 1.9 or later.
+  - if ! [[ "$TRAVIS_GO_VERSION" =~ ^1\.7\.([0-9]+|x)+$ || "$TRAVIS_GO_VERSION" =~ ^1\.8\.([0-9]+|x)$ ]]; then $HOME/gopath/bin/golint ./...; fi
   - |-
     echo 'mode: count' > coverage.merged && go list ./... | xargs -n1 -I{} sh -c ': > coverage.tmp; go test -v -covermode=count -coverprofile=coverage.tmp {} && tail -n +2 coverage.tmp >> coverage.merged' && rm coverage.tmp
   - |-

device.go

@@ -28,7 +28,7 @@ type DeviceDesc struct {
 	Bus     int   // The bus on which the device was detected
 	Address int   // The address of the device on the bus
 	Speed   Speed // The negotiated operating speed for the device
-	Port	int   // The usb port on which the device was detected
+	Port    int   // The usb port on which the device was detected
 
 	// Version information
 	Spec   BCD // USB Specification Release Number

example_test.go

@@ -65,7 +65,7 @@ func Example_simple() {
 	if numBytes != 5 {
 		log.Fatalf("%s.Write([5]): only %d bytes written, returned error is %v", ep, numBytes, err)
 	}
-	fmt.Println("5 bytes successfuly sent to the endpoint")
+	fmt.Println("5 bytes successfully sent to the endpoint")
 }
 
 // This example demostrates the full API for accessing endpoints.
@@ -138,7 +138,7 @@ func Example_complex() {
 		if readBytes == 0 {
 			log.Fatalf("IN endpoint 6 returned 0 bytes of data.")
 		}
-		// writeBytes might be smaller than the buffer size if an error occured. writeBytes might be greater than zero even if err is not nil.
+		// writeBytes might be smaller than the buffer size if an error occurred. writeBytes might be greater than zero even if err is not nil.
 		writeBytes, err := epOut.Write(buf[:readBytes])
 		if err != nil {
 			fmt.Println("Write returned an error:", err)

interface.go

@@ -30,7 +30,7 @@ type InterfaceDesc struct {
 	AltSettings []InterfaceSetting
 }
 
-// String returns a human-readable descripton of the interface descriptor and
+// String returns a human-readable description of the interface descriptor and
 // its alternate settings.
 func (i InterfaceDesc) String() string {
 	return fmt.Sprintf("Interface %d (%d alternate settings)", i.Number, len(i.AltSettings))
@@ -65,7 +65,7 @@ func (a InterfaceSetting) sortedEndpointIds() []string {
 	return eps
 }
 
-// String returns a human-readable descripton of the particular
+// String returns a human-readable description of the particular
 // alternate setting of an interface.
 func (a InterfaceSetting) String() string {
 	return fmt.Sprintf("Interface %d alternate setting %d (available endpoints: %v)", a.Number, a.Alternate, a.sortedEndpointIds())

transfer_stream.go

@@ -224,8 +224,8 @@ func (w *WriteStream) Write(p []byte) (int, error) {
 // Close signals end of data to write. Close blocks until all transfers
 // that were sent are finished. The error returned by Close is the first
 // error encountered during writing the entire stream (if any).
-// Close returning nil indicates all transfers completed successfuly.
-// After Close, the total number of bytes successfuly written can be
+// Close returning nil indicates all transfers completed successfully.
+// After Close, the total number of bytes successfully written can be
 // retrieved using Written().
 // Close may not be called concurrently with Write, Close or Written.
 func (w *WriteStream) Close() error {
@@ -247,7 +247,7 @@ func (w *WriteStream) Close() error {
 	return w.s.err
 }
 
-// Written returns the number of bytes successfuly written by the stream.
+// Written returns the number of bytes successfully written by the stream.
 // Written may be called only after Close() has been called and returned.
 func (w *WriteStream) Written() int {
 	return w.total