diff --git a/questions/html-questions.md b/questions/html-questions.md
index 649a0cf3d..da173c184 100644
--- a/questions/html-questions.md
+++ b/questions/html-questions.md
@@ -21,7 +21,7 @@ A DOCTYPE is always associated to a **DTD** - for **Document Type Definition**.
A DTD defines how documents of a certain type should be structured (i.e. a `button` can contain a `span` but not a `div`), whereas a DOCTYPE declares what DTD a document *supposedly* respects (i.e. this document respects the HTML DTD).
-For webpages, the DOCTYPE declation is required. It is used to tell user agents what version of the HTML specifications your document respects.
+For webpages, the DOCTYPE declaration is required. It is used to tell user agents what version of the HTML specifications your document respects.
Once a user agent has recognized a correct DOCTYPE, it will trigger the **no-quirks mode** matching this DOCTYPE for reading the document.
If a user agent doesn't recognize a correct DOCTYPE, it will trigger the **quirks mode**.