fix spelling in keywords

Author: Blargian

docs/en/integrations/language-clients/index.md

@@ -2,7 +2,7 @@
 slug: /en/integrations/language-clients
 title: Language Clients
 description: Table of contents page for Language Clients.
-keywords: [Language Clients, C++, Go, Javascript, Java, Python, Rust]
+keywords: [Language Clients, C++, Go, JavaScript, Java, Python, Rust]
 ---
 
 In this section of the documentation, you can learn more about the many language client integrations