Update solution.md

usernamehw · web-flow · commit 0ae23f63930d · 2017-12-06T05:23:03.000+03:00
diff --git a/2-ui/1-document/06-dom-attributes-and-properties/1-get-user-attribute/solution.md b/2-ui/1-document/06-dom-attributes-and-properties/1-get-user-attribute/solution.md
@@ -1,6 +1,6 @@
 
 ```html run height=100
-<!DOCTYLE HTML>
+<!DOCTYPE html>
 <html>
 <body>
 
