Fixed typo on main page

Author: jexp

src/content/docs/index.mdx

@@ -23,7 +23,7 @@ import { LinkCard, CardGrid } from '@astrojs/starlight/components';
 <CardGrid>
 	<LinkCard 
 		title="Concepts" 
-		description="Learn key concepts and how they fit together."
+		description="Learn key GraphRAG concepts and how they fit together."
 		href="/concepts/intro-to-graphrag"		
 	/>
 	<LinkCard 
@@ -38,7 +38,7 @@ import { LinkCard, CardGrid } from '@astrojs/starlight/components';
 	/>
 	<LinkCard 
 		title="Reference" 
-		description="Succinct descriptions of what things are."
+		description="GraphRAG Pattern Catalog of graph models and GraphRAG retrievers"
 		href="/reference/graphrag/pattern-matching"
 	/>
 </CardGrid>
@@ -48,7 +48,7 @@ import { LinkCard, CardGrid } from '@astrojs/starlight/components';
 <CardGrid>
 	<LinkCard 
 		title="Research" 
-		description="Foundational esearch papers about GraphRAG."
+		description="Foundational research papers about GraphRAG."
 		href="/appendices/research"
 	/>
 	<LinkCard