fix typos

Signed-off-by: allencloud <[email protected]>

Author: allencloud

CONTRIBUTING.md

@@ -106,7 +106,7 @@ use for simple changes](https://docs.docker.com/opensource/workflow/make-a-contr
     <td>
       The <a href="https://groups.google.com/forum/#!forum/docker-dev" target="_blank">docker-dev</a>
       group is for contributors and other people contributing to the Docker project.
-      You can join them without an google account by sending an email to 
+      You can join them without a google account by sending an email to 
       <a href="mailto:[email protected]">[email protected]</a>.
       After receiving the join-request message, you can simply reply to that to confirm the subscribtion.
     </td>

cmd/swarmctl/service/flagparser/port.go

@@ -44,7 +44,7 @@ func parsePortConfig(portConfig string) (string, api.PortConfig_Protocol, uint32
 	protocol := api.ProtocolTCP
 	parts := strings.Split(portConfig, ":")
 	if len(parts) < 2 {
-		return "", protocol, 0, 0, fmt.Errorf("insuffient parameters in port configuration")
+		return "", protocol, 0, 0, fmt.Errorf("insufficient parameters in port configuration")
 	}
 
 	name := parts[0]

manager/controlapi/network.go

@@ -86,7 +86,7 @@ func validateNetworkSpec(spec *api.NetworkSpec) error {
 	return nil
 }
 
-// CreateNetwork creates and return a Network based on the provided NetworkSpec.
+// CreateNetwork creates and returns a Network based on the provided NetworkSpec.
 // - Returns `InvalidArgument` if the NetworkSpec is malformed.
 // - Returns an error if the creation fails.
 func (s *Server) CreateNetwork(ctx context.Context, request *api.CreateNetworkRequest) (*api.CreateNetworkResponse, error) {

manager/orchestrator/replicated.go

@@ -12,7 +12,7 @@ import (
 	"golang.org/x/net/context"
 )
 
-// An ReplicatedOrchestrator runs a reconciliation loop to create and destroy
+// A ReplicatedOrchestrator runs a reconciliation loop to create and destroy
 // tasks as necessary for the replicated services.
 type ReplicatedOrchestrator struct {
 	store *store.MemoryStore

manager/state/store/memory.go

@@ -84,7 +84,7 @@ type MemoryStore struct {
 	proposer state.Proposer
 }
 
-// NewMemoryStore returns an in-memory store. The argument is a optional
+// NewMemoryStore returns an in-memory store. The argument is an optional
 // Proposer which will be used to propagate changes to other members in a
 // cluster.
 func NewMemoryStore(proposer state.Proposer) *MemoryStore {