Update README.md

Author: dOrgJelli

packages/client-config-builder/README.md

@@ -69,7 +69,7 @@ Finally, build a ClientConfig or CoreClientConfig to pass to the PolywrapClient
 
 A complete example using all or most of the available methods.
 
-```typescript=
+```typescript
   // init
   const builder = new ClientConfigBuilder();
 
@@ -607,4 +607,4 @@ export function getConfig(): BuilderConfig {
 
   return builder.config;
 }
-```
+```