diff --git a/documentation/index.html.erb b/documentation/index.html.erb
index 53ddd4bb..2b51d69e 100644
--- a/documentation/index.html.erb
+++ b/documentation/index.html.erb
@@ -80,7 +80,7 @@
           <div class="screenshadow bl"></div>
           <div class="screenshadow br"></div>
           <div id="repl_source_wrap">
-            <textarea id="repl_source" rows="100">alert "Hello CoffeeScript!"</textarea>
+            <textarea id="repl_source" rows="100" spellcheck="false">alert "Hello CoffeeScript!"</textarea>
           </div>
           <div id="repl_results_wrap"><pre id="repl_results"></pre></div>
           <div class="minibutton dark run">Run</div>
diff --git a/index.html b/index.html
index 7ed405f1..492d5865 100644
--- a/index.html
+++ b/index.html
@@ -58,7 +58,7 @@
           <div class="screenshadow bl"></div>
           <div class="screenshadow br"></div>
           <div id="repl_source_wrap">
-            <textarea id="repl_source" rows="100">alert "Hello CoffeeScript!"</textarea>
+            <textarea id="repl_source" rows="100" spellcheck="false">alert "Hello CoffeeScript!"</textarea>
           </div>
           <div id="repl_results_wrap"><pre id="repl_results"></pre></div>
           <div class="minibutton dark run">Run</div>