diff --git a/demos/interpreter/async-execution.html b/demos/interpreter/async-execution.html
index 70f2492d2..9b3fa61e3 100644
--- a/demos/interpreter/async-execution.html
+++ b/demos/interpreter/async-execution.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <meta charset="utf-8">
-  <title>Blockly Demo: Asynchronous Execution with JS Interpreter</title>
+  <title>Blockly Demo: Asynchronous Execution with JS-Interpreter</title>
   <script src="acorn_interpreter.js"></script>
   <script src="../../blockly_compressed.js"></script>
   <script src="../../blocks_compressed.js"></script>
@@ -22,11 +22,11 @@
 </head>
 <body>
   <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Asynchronous Execution with JS Interpreter</h1>
+    <a href="../index.html">Demos</a> &gt; Asynchronous Execution with JS-Interpreter</h1>
 
   <p>This is a demo of executing code asynchronously (e.g., waiting for delays or user input) using the JavaScript interpreter.</p>
 
-  <p>&rarr; <a href="https://developers.google.com/blockly/guides/configure-blockly/web/running-javascript#js_interpreter">More info on running code with JS Interpreter</a></p>
+  <p>&rarr; <a href="https://developers.google.com/blockly/guides/configure-blockly/web/running-javascript#js_interpreter">More info on running code with JS-Interpreter</a></p>
 
   <p>
     <button onclick="runCode()" id="runButton">Run JavaScript</button>
diff --git a/demos/interpreter/step-execution.html b/demos/interpreter/step-execution.html
index 165acc471..85c397cfe 100644
--- a/demos/interpreter/step-execution.html
+++ b/demos/interpreter/step-execution.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <meta charset="utf-8">
-  <title>Blockly Demo: Step Execution with JS Interpreter</title>
+  <title>Blockly Demo: Step Execution with JS-Interpreter</title>
   <script src="acorn_interpreter.js"></script>
   <script src="../../blockly_compressed.js"></script>
   <script src="../../blocks_compressed.js"></script>
@@ -21,7 +21,7 @@
 </head>
 <body>
   <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Step Execution with JS Interpreter</h1>
+    <a href="../index.html">Demos</a> &gt; Step Execution with JS-Interpreter</h1>
 
   <p>This is a demo of executing code step-by-step with a sandboxed JavaScript interpreter.</p>
 
@@ -32,7 +32,7 @@
   <p>Each press of the "Step JavaScript" button will run the interpreter one step until the <code>highlightPause</code> is true.
   That is, until <code>highlightBlock()</code> has highlighted the block that will be executed on the next step.</p>
 
-  <p>&rarr; <a href="https://developers.google.com/blockly/guides/configure-blockly/web/running-javascript#js_interpreter">More info on running code with JS Interpreter</a></p>
+  <p>&rarr; <a href="https://developers.google.com/blockly/guides/configure-blockly/web/running-javascript#js_interpreter">More info on running code with JS-Interpreter</a></p>
 
   <p>
     <button onclick="stepCode()" id="stepButton">Step JavaScript</button>
