diff --git a/src/index.js b/src/index.js
index d7506d9..cc4f7ab 100644
--- a/src/index.js
+++ b/src/index.js
@@ -91,6 +91,7 @@ export default class CodeTool {
     wrapper.classList.add(this.CSS.baseClass, this.CSS.wrapper);
     textarea.classList.add(this.CSS.textarea, this.CSS.input);
     textarea.textContent = this.data.code;
+    textarea.setAttribute("spellcheck", "false");
 
     textarea.placeholder = this.placeholder;