fix misspelled word (#713)

diff --git a/docs/documentation/overview/responsiveness.html b/docs/documentation/overview/responsiveness.html
index 0440570c839f8a965187039e6040d4a1e65df11d..6ca21950479aced6f787511d9761d89626179ef9 100644 (file)
--- a/docs/documentation/overview/responsiveness.html
+++ b/docs/documentation/overview/responsiveness.html
@@ -16,7 +16,7 @@ doc-subtab: responsiveness
     <h3 class="title">Vertical by default</h3>
     <div class="content">
       <p>
-        Every element in Bulma is <strong>mobile-first</strong> and optmizes for <strong>vertical reading</strong>, so by default on mobile:
+        Every element in Bulma is <strong>mobile-first</strong> and optimizes for <strong>vertical reading</strong>, so by default on mobile:
       </p>
       <ul>
         <li><code>columns</code> are stacked vertically</li>