diff --git a/_scala_use_case_items/1-backend.md b/_scala_use_case_items/1-backend.md
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+++ b/_scala_use_case_items/1-backend.md
@@ -10,7 +10,7 @@ icon: "icon5.svg"
   <div class="scala-code">
       <div class="scala-text scala-text-large">
           <h3>Principled Concurrency</h3>
-          <p class="emph">Scala's expressivity and compiler-enforced saftey makes it easier to construct reliable concurrent code.</p>
+          <p class="emph">Scala's expressivity and compiler-enforced safety makes it easier to construct reliable concurrent code.</p>
           <p>With Scala, your programs take full advantage of multi-core and distributed architectures, ensure safe access to resources, and apply back-pressure to data producers according to your processing rate.</p>
           <p>One popular open-source option for managing concurrency in Scala is <a href="https://typelevel.org/cats-effect/" target="_blank" rel="none">Cats Effect</a>, combined with <a href="https://http4s.org" target="_blank" rel="none">http4s</a> for defining servers and routing. Click below to see other solutions.</p>
           <a class="button button_call-to-action" href="https://index.scala-lang.org/awesome#asynchronous-and-concurrent-programming" target="_blank" rel="none">libraries for Concurrency and distribution</a>