diff --git a/README.md b/README.md
index 0d5d22f..08550c5 100644
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@@ -76,7 +76,7 @@ The container query pseudo-polyfill used here is a modified version of <a href="
 
 Container Queries are the natural and much-needed evolution of Media Queries.
 
-Where Media Queries are concerned with the _viewport_ size, Container Queries are concernes with the styling child elements based on the size of a parent element. As a result, Container Queries allow content to adapt to a wide range of viewing experiences without having to change the content itself.
+Where Media Queries are concerned with the _viewport_ size, Container Queries are concerned with the styling child elements based on the size of a parent element. As a result, Container Queries allow content to adapt to a wide range of viewing experiences without having to change the content itself.
 
 They also simplify stylesheets by removing the need to specify layout conditions between the screen and the element being styled.