Update src/connections/destinations/catalog/posthog/index.md

Co-authored-by: LRubin <[email protected]>

Author: pauljaeinyoo

src/connections/destinations/catalog/posthog/index.md

@@ -43,7 +43,7 @@ Segment sends Screen calls to PostHog as a `$screen` event.
 
 ## Identify
 
-If you haven't had a chance to review our spec, please take a look to understand what the [Identify method](https://segment.com/docs/connections/spec/identify/) does. An example call would look like:
+If you aren't familiar with the Segment Spec, take a look at the [Identify method documentation](https://segment.com/docs/connections/spec/identify/) to learn about what it does. An example call would look like:
 
 ```js
 analytics.identify('userId123', {