*: fix more typos (#7619)

Author: NathanBaulch

CONTRIBUTING.md

@@ -4,7 +4,7 @@ We definitely welcome your patches and contributions to gRPC! Please read the gR
 organization's [governance rules](https://github.com/grpc/grpc-community/blob/master/governance.md)
 and [contribution guidelines](https://github.com/grpc/grpc-community/blob/master/CONTRIBUTING.md) before proceeding.
 
-If you are new to github, please start by reading [Pull Request howto](https://help.github.com/articles/about-pull-requests/)
+If you are new to GitHub, please start by reading [Pull Request howto](https://help.github.com/articles/about-pull-requests/)
 
 ## Legal requirements
 
@@ -39,7 +39,7 @@ How to get your contributions merged smoothly and quickly.
   proposal](https://github.com/grpc/proposal).
 
 - Provide a good **PR description** as a record of **what** change is being made
-  and **why** it was made. Link to a github issue if it exists.
+  and **why** it was made. Link to a GitHub issue if it exists.
 
 - If you want to fix formatting or style, consider whether your changes are an
   obvious improvement or might be considered a personal preference. If a style

Documentation/encoding.md

@@ -83,7 +83,7 @@ performing compression and decompression.
 A `Compressor` contains code to compress and decompress by wrapping `io.Writer`s
 and `io.Reader`s, respectively.  (The form of `Compress` and `Decompress` were
 chosen to most closely match Go's standard package
-[implementations](https://golang.org/pkg/compress/) of compressors.  Like
+[implementations](https://golang.org/pkg/compress/) of compressors).  Like
 `Codec`s, `Compressor`s are registered by name into a global registry maintained
 in the `encoding` package.
 

Documentation/grpc-auth-support.md

@@ -1,6 +1,6 @@
 # Authentication
 
-As outlined in the [gRPC authentication guide](https://grpc.io/docs/guides/auth.html) there are a number of different mechanisms for asserting identity between an client and server. We'll present some code-samples here demonstrating how to provide TLS support encryption and identity assertions as well as passing OAuth2 tokens to services that support it.
+As outlined in the [gRPC authentication guide](https://grpc.io/docs/guides/auth.html) there are a number of different mechanisms for asserting identity between a client and server. We'll present some code-samples here demonstrating how to provide TLS support encryption and identity assertions as well as passing OAuth2 tokens to services that support it.
 
 # Enabling TLS on a gRPC client
 

balancer/balancer.go

@@ -130,7 +130,7 @@ type SubConn interface {
 	// UpdateAddresses updates the addresses used in this SubConn.
 	// gRPC checks if currently-connected address is still in the new list.
 	// If it's in the list, the connection will be kept.
-	// If it's not in the list, the connection will gracefully closed, and
+	// If it's not in the list, the connection will gracefully close, and
 	// a new connection will be created.
 	//
 	// This will trigger a state transition for the SubConn.

balancer/base/balancer.go

@@ -133,7 +133,7 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error {
 		}
 	}
 	// If resolver state contains no addresses, return an error so ClientConn
-	// will trigger re-resolve. Also records this as an resolver error, so when
+	// will trigger re-resolve. Also records this as a resolver error, so when
 	// the overall state turns transient failure, the error message will have
 	// the zero address information.
 	if len(s.ResolverState.Addresses) == 0 {

balancer/endpointsharding/endpointsharding.go

@@ -133,7 +133,7 @@ func (es *endpointSharding) UpdateClientConnState(state balancer.ClientConnState
 			// Return first error found, and always commit full processing of
 			// updating children. If desired to process more specific errors
 			// across all endpoints, caller should make these specific
-			// validations, this is a current limitation for simplicities sake.
+			// validations, this is a current limitation for simplicity sake.
 			ret = err
 		}
 	}

balancer/grpclb/grpclb.go

@@ -197,7 +197,7 @@ type lbBalancer struct {
 
 	// manualResolver is used in the remote LB ClientConn inside grpclb. When
 	// resolved address updates are received by grpclb, filtered updates will be
-	// send to remote LB ClientConn through this resolver.
+	// sent to remote LB ClientConn through this resolver.
 	manualResolver *manual.Resolver
 	// The ClientConn to talk to the remote balancer.
 	ccRemoteLB *remoteBalancerCCWrapper

balancer/rls/internal/keys/builder.go

@@ -189,7 +189,7 @@ func (b builder) Equal(a builder) bool {
 	// Protobuf serialization maintains the order of repeated fields. Matchers
 	// are specified as a repeated field inside the KeyBuilder proto. If the
 	// order changes, it means that the order in the protobuf changed. We report
-	// this case as not being equal even though the builders could possible be
+	// this case as not being equal even though the builders could possibly be
 	// functionally equal.
 	for i, bMatcher := range b.headerKeys {
 		aMatcher := a.headerKeys[i]

balancer/weightedroundrobin/balancer_test.go

@@ -212,7 +212,7 @@ func (s) TestBalancer_OneAddress(t *testing.T) {
 // balancer startup case which triggers the first picker and scheduler update
 // before any load reports are received.
 //
-// Note that this test and others, metrics emission asssertions are a snapshot
+// Note that this test and others, metrics emission assertions are a snapshot
 // of the most recently emitted metrics. This is due to the nondeterminism of
 // scheduler updates with respect to test bodies, so the assertions made are
 // from the most recently synced state of the system (picker/scheduler) from the

benchmark/benchmark.go

@@ -276,7 +276,7 @@ func StartServer(info ServerInfo, opts ...grpc.ServerOption) func() {
 	}
 }
 
-// DoUnaryCall performs an unary RPC with given stub and request and response sizes.
+// DoUnaryCall performs a unary RPC with given stub and request and response sizes.
 func DoUnaryCall(tc testgrpc.BenchmarkServiceClient, reqSize, respSize int) error {
 	pl := NewPayload(testpb.PayloadType_COMPRESSABLE, reqSize)
 	req := &testpb.SimpleRequest{