diff --git a/cmd/open.go b/cmd/open.go
index dd41a3cf6..627eac639 100644
--- a/cmd/open.go
+++ b/cmd/open.go
@@ -15,9 +15,13 @@ var openCmd = &cobra.Command{
 
 Pass the path to the directory that contains the solution you want to see on the website.
 	`,
-	Args: cobra.ExactArgs(1),
+	Args: cobra.MaximumNArgs(1),
 	RunE: func(cmd *cobra.Command, args []string) error {
-		metadata, err := workspace.NewExerciseMetadata(args[0])
+		path := "."
+		if len(args) == 1 {
+			path = args[0]
+		}
+		metadata, err := workspace.NewExerciseMetadata(path)
 		if err != nil {
 			return err
 		}
diff --git a/cmd/submit.go b/cmd/submit.go
index aaf3a93c1..eb00aa1f4 100644
--- a/cmd/submit.go
+++ b/cmd/submit.go
@@ -19,12 +19,14 @@ import (
 
 // submitCmd lets people upload a solution to the website.
 var submitCmd = &cobra.Command{
-	Use:     "submit FILE1 [FILE2 ...]",
+	Use:     "submit [<FILE> ...]",
 	Aliases: []string{"s"},
 	Short:   "Submit your solution to an exercise.",
 	Long: `Submit your solution to an Exercism exercise.
 
     Call the command with the list of files you want to submit.
+    If you omit the list of files, the CLI will submit the
+    default solution files for the exercise.
 `,
 	RunE: func(cmd *cobra.Command, args []string) error {
 		cfg := config.NewConfig()
diff --git a/cmd/troubleshoot.go b/cmd/troubleshoot.go
index 5fd134d3c..4ea5b1444 100644
--- a/cmd/troubleshoot.go
+++ b/cmd/troubleshoot.go
@@ -26,7 +26,7 @@ var troubleshootCmd = &cobra.Command{
 	Long: `Provides output to help with troubleshooting.
 
 If you're running into trouble, copy and paste the output from the troubleshoot
-command into a GitHub issue so we can help figure out what's going on.
+command into a topic on the Exercism forum so we can help figure out what's going on.
 `,
 	RunE: func(cmd *cobra.Command, args []string) error {
 		cli.TimeoutInSeconds = cli.TimeoutInSeconds * 2
@@ -227,7 +227,7 @@ Latest:  {{ with .Version.Latest }}{{ . }}{{ else }}<unknown>{{ end }}
 {{ end -}}
 {{ if not .Version.UpToDate }}
 Call 'exercism upgrade' to get the latest version.
-See the release notes at https://github.com/exercism/cli/releases/tag/{{ .Version.Latest }} for details.
+See the release notes at https://github.com/exercism/cli/releases/tag/v{{ .Version.Latest }} for details.
 {{ end }}
 
 Operating System
@@ -255,8 +255,8 @@ API Reachability
     * {{ .Latency }}
 {{ end }}
 
-If you are having trouble please file a GitHub issue at
-https://github.com/exercism/exercism.io/issues and include
+If you are having trouble, please create a new topic in the Exercism forum
+at https://forum.exercism.org/c/support/cli/10 and include
 this information.
 {{ if not .Censor }}
 Don't share your API key. Keep that private.