Responded to Doug's comments

Author: zasweq

clientconn.go

@@ -883,7 +883,7 @@ func (cc *ClientConn) channelzMetric() *channelz.ChannelInternalMetric {
 	}
 }
 
-// Target returns the canonicalized target string of the ClientConn.
+// Target returns the canonical target string of the ClientConn.
 //
 // # Experimental
 //

clientconn_test.go

@@ -820,15 +820,20 @@ func (s) TestClientConn_Target(t *testing.T) {
 			targetWant: "dns://a.server.com/google.com",
 		},
 		{
-			name:       "canonicalized-target-not-specified",
+			name:       "canonical-target-not-specified",
 			addr:       "no.scheme",
 			targetWant: "passthrough:///no.scheme",
 		},
 		{
-			name:       "canonicalized-target-nonexistent",
+			name:       "canonical-target-nonexistent",
 			addr:       "nonexist:///non.existent",
 			targetWant: "passthrough:///nonexist:///non.existent",
 		},
+		{
+			name:       "canonical-target-add-colon-slash",
+			addr:       "dns:hostname:port",
+			targetWant: "dns:///hostname:port",
+		},
 	}
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {

resolver/resolver.go

@@ -281,7 +281,7 @@ func (t Target) Endpoint() string {
 	return strings.TrimPrefix(endpoint, "/")
 }
 
-// String returns a string representation of Target.
+// String returns a canonical string representation of Target.
 func (t Target) String() string {
 	return t.URL.Scheme + "://" + t.URL.Host + "/" + t.Endpoint()
 }