diff --git a/cli/command/registry/login.go b/cli/command/registry/login.go
index 17d0d883ba1d..913c000c4cc2 100644
--- a/cli/command/registry/login.go
+++ b/cli/command/registry/login.go
@@ -197,7 +197,7 @@ func loginUser(ctx context.Context, dockerCLI command.Cli, opts loginOptions, de
 	// will hit this if you attempt docker login from mintty where stdin
 	// is a pipe, not a character based console.
 	if (opts.user == "" || opts.password == "") && !dockerCLI.In().IsTerminal() {
-		return "", errors.New("error: cannot perform an interactive login from a non TTY device")
+		return "", errors.New("error: cannot perform an interactive login from a non-TTY device")
 	}
 
 	// If we're logging into the index server and the user didn't provide a username or password, use the device flow
diff --git a/cli/command/registry/login_test.go b/cli/command/registry/login_test.go
index 41f833483503..9dfb13dfe751 100644
--- a/cli/command/registry/login_test.go
+++ b/cli/command/registry/login_test.go
@@ -127,7 +127,7 @@ func TestRunLogin(t *testing.T) {
 			input: loginOptions{
 				serverAddress: "reg1",
 			},
-			expectedErr: "error: cannot perform an interactive login from a non TTY device",
+			expectedErr: "error: cannot perform an interactive login from a non-TTY device",
 		},
 		{
 			doc:              "store valid username and password",
@@ -334,19 +334,19 @@ func TestLoginNonInteractive(t *testing.T) {
 				doc:         "error - w/o user w/o pass ",
 				username:    false,
 				password:    false,
-				expectedErr: "error: cannot perform an interactive login from a non TTY device",
+				expectedErr: "error: cannot perform an interactive login from a non-TTY device",
 			},
 			{
 				doc:         "error - w/ user w/o pass",
 				username:    true,
 				password:    false,
-				expectedErr: "error: cannot perform an interactive login from a non TTY device",
+				expectedErr: "error: cannot perform an interactive login from a non-TTY device",
 			},
 			{
 				doc:         "error - w/o user w/ pass",
 				username:    false,
 				password:    true,
-				expectedErr: "error: cannot perform an interactive login from a non TTY device",
+				expectedErr: "error: cannot perform an interactive login from a non-TTY device",
 			},
 		}
 
@@ -403,13 +403,13 @@ func TestLoginNonInteractive(t *testing.T) {
 				doc:         "error - w/ user w/o pass",
 				username:    true,
 				password:    false,
-				expectedErr: "error: cannot perform an interactive login from a non TTY device",
+				expectedErr: "error: cannot perform an interactive login from a non-TTY device",
 			},
 			{
 				doc:         "error - w/o user w/ pass",
 				username:    false,
 				password:    true,
-				expectedErr: "error: cannot perform an interactive login from a non TTY device",
+				expectedErr: "error: cannot perform an interactive login from a non-TTY device",
 			},
 		}