fix typo

Signed-off-by: allencloud <allen.sun@daocloud.io>
(cherry picked from commit 1f039a66ac)
Signed-off-by: Victor Vieux <victorvieux@gmail.com>

api/server/httputils/errors.go

@@ -28,7 +28,7 @@ type inputValidationError interface {
 	IsValidationError() bool
 }
 
-// GetHTTPErrorStatusCode retrieve status code from error message
+// GetHTTPErrorStatusCode retrieves status code from error message
 func GetHTTPErrorStatusCode(err error) int {
 	if err == nil {
 		logrus.WithFields(logrus.Fields{"error": err}).Error("unexpected HTTP error handling")

api/server/server.go

@@ -102,7 +102,7 @@ func (s *Server) serveAPI() error {
 }
 
 // HTTPServer contains an instance of http server and the listener.
-// srv *http.Server, contains configuration to create a http server and a mux router with all api end points.
+// srv *http.Server, contains configuration to create an http server and a mux router with all api end points.
 // l   net.Listener, is a TCP or Socket listener that dispatches incoming request to the router.
 type HTTPServer struct {
 	srv *http.Server

integration-cli/daemon.go

@@ -495,7 +495,7 @@ func (d *Daemon) SockRequest(method, endpoint string, data interface{}) (int, []
 	return res.StatusCode, b, err
 }
 
-// SockRequestRaw executes a socket request on a daemon and returns a http
+// SockRequestRaw executes a socket request on a daemon and returns an http
 // response and a reader for the output data.
 func (d *Daemon) SockRequestRaw(method, endpoint string, data io.Reader, ct string) (*http.Response, io.ReadCloser, error) {
 	return sockRequestRawToDaemon(method, endpoint, data, ct, d.sock())

man/docker-run.1.md

@@ -907,7 +907,7 @@ should fix the problem.
 ## Mapping Ports for External Usage
 
 The exposed port of an application can be mapped to a host port using the **-p**
-flag. For example, a httpd port 80 can be mapped to the host port 8080 using the
+flag. For example, an httpd port 80 can be mapped to the host port 8080 using the
 following:
 
     # docker run -p 8080:80 -d -i -t fedora/httpd

pkg/discovery/backends.go

@@ -86,7 +86,7 @@ func ParseAdvertise(advertise string) (string, error) {
 		break
 	}
 	if addr == "" {
-		return "", fmt.Errorf("couldnt find a valid ip-address in interface %s", advertise)
+		return "", fmt.Errorf("could not find a valid ip-address in interface %s", advertise)
 	}
 
 	addr = net.JoinHostPort(addr, port)