Fix typo (#3797)

src/pages/[roadmapId]/[...topicId].astro

@@ -28,7 +28,7 @@ const { file, breadcrumbs, roadmapId, roadmap, heading } = Astro.props as Roadma
 
 <BaseLayout
   title={`${heading} - roadmap.sh`}
-  description={`Free resources to learn ${heading} in ${roadmap.briefTitle}. Everything you need to know about ${heading} and how it realtes to ${roadmap.briefTitle}.`}
+  description={`Free resources to learn ${heading} in ${roadmap.briefTitle}. Everything you need to know about ${heading} and how it relates to ${roadmap.briefTitle}.`}
   noIndex={true}
   permalink={`/${roadmapId}/${topicId}`}
 >