diff --git a/cmd/substation/main.go b/cmd/substation/main.go
index acb4456d..61fc96ec 100644
--- a/cmd/substation/main.go
+++ b/cmd/substation/main.go
@@ -30,7 +30,8 @@ const (
 }`
 
 	// confDemo is a demo configuration for AWS CloudTrail.
-	confDemo = `local sub = std.extVar('sub');
+	confDemo = `// Every config must import the Substation library.
+local sub = std.extVar('sub');
 
 {
   transforms: [
diff --git a/cmd/substation/playground.go b/cmd/substation/playground.go
index eaa7cf46..77c58176 100644
--- a/cmd/substation/playground.go
+++ b/cmd/substation/playground.go
@@ -34,9 +34,9 @@ func init() {
 }
 
 var playgroundCmd = &cobra.Command{
-	Use:   "playground",
+	Use:   "play",
 	Short: "start playground",
-	Long:  `'substation playground' starts a local HTTP server for testing Substation configurations.`,
+	Long:  `'substation play' starts a local instance of the Substation playground.`,
 	RunE:  runPlayground,
 }
 
@@ -124,7 +124,7 @@ func handleIndex(w http.ResponseWriter, r *http.Request) {
 
 	// If shared data is present, don't include environment variables
 	if sharedData == "" {
-		data.DefaultEnv = "# Add environment variables here, one per line\n# Example: KEY=VALUE"
+		data.DefaultEnv = "# Example: KEY=VALUE"
 	}
 
 	tmpl := template.Must(template.New("index").Parse(playgroundHTML))
diff --git a/cmd/substation/playground.tmpl b/cmd/substation/playground.tmpl
index 0d78ae7a..c1e6e3f6 100644
--- a/cmd/substation/playground.tmpl
+++ b/cmd/substation/playground.tmpl
@@ -318,8 +318,7 @@
                     <button class="secondary-button" onclick="shareSubstation()">Share</button>
                 </div>
                 <p class="subtext">
-                    Run your configuration, test it, or try a demo. 
-                    <a href="https://github.com/brexhq/substation/tree/main/examples" target="_blank" class="examples-link">View examples</a>
+                    Run, test, or share a config. New to Substation? Try the demo to see how it works. Need inspiration? <a href="https://github.com/brexhq/substation/tree/main/examples" target="_blank" class="examples-link">View more examples here</a>.
                 </p>
             </div>
         </div>
@@ -330,7 +329,7 @@
                 <h2>Configuration</h2>
                 <button class="secondary-button" onclick="formatJsonnet()"><i class="fas fa-broom"></i></button>
             </div>
-            <p class="subtext">Configure the transformations to be applied to the input event.</p>
+            <p class="subtext">Configure the transforms.</p>
             <div class="editor-container" id="config"></div>
         </section>
         <section class="right-column">
@@ -342,7 +341,7 @@
                         <option value="json">JSON</option>
                     </select>
                 </div>
-                <p class="subtext">Paste the message data to be processed by Substation here.</p>
+                <p class="subtext">Add message data.</p>
                 <div class="editor-container" id="input"></div>
             </div>
             <div class="editor-section">
@@ -353,7 +352,7 @@
                         <option value="json">JSON</option>
                     </select>
                 </div>
-                <p class="subtext">The processed message data will appear here after running.</p>
+                <p class="subtext">See the results.</p>
                 <div class="editor-container" id="output"></div>
             </div>
         </section>
@@ -366,7 +365,7 @@
                 <h2>Environment Variables</h2>
                 <span class="close" onclick="closeEnvModal()">&times;</span>
             </div>
-            <p class="subtext">Add environment variables here, one per line (KEY=VALUE). These will not be included when sharing.</p>
+            <p class="subtext">Add environment variables, one per line (KEY=VALUE). These are not included when sharing the config.</p>
             <div class="editor-container" id="env"></div>
             <div class="modal-footer">
                 <button class="primary-button" onclick="closeEnvModal()">Save & Close</button>
@@ -518,7 +517,7 @@
             .then(data => {
                 configEditor.setValue(data.config);
                 inputEditor.setValue(data.input);
-                outputEditor.setValue('// Run the demo to see the output');
+                outputEditor.setValue('// Click the Run button to see the results!');
             })
             .catch(error => {
                 console.error('Error fetching demo:', error);
diff --git a/cmd/substation/tap.go b/cmd/substation/tap.go
index 2a00a7d8..e1d12ef9 100644
--- a/cmd/substation/tap.go
+++ b/cmd/substation/tap.go
@@ -27,7 +27,7 @@ import (
 
 func init() {
 	rootCmd.AddCommand(tapCmd)
-	tapCmd.PersistentFlags().String("aws-kinesis-data-stream", "", "ARN of the Kinesis Data Stream to tap")
+	tapCmd.PersistentFlags().String("aws-kinesis-data-stream", "", "arn of the aws kinesis data stream to tap")
 	tapCmd.PersistentFlags().String("offset", "latest", "the offset to read from (earliest, latest)")
 	tapCmd.PersistentFlags().StringToString("ext-str", nil, "set external variables")
 	tapCmd.Flags().SortFlags = false