changed write key title to be more specific

Author: stayseesong

src/_data/sidenav/main.yml

@@ -223,7 +223,7 @@ sections:
   - path: /connections/event-delivery
     title: Event Delivery
   - path: /connections/find-writekey
-    title: Write key
+    title: Locate your Write Key
   - path: /connections/integration_error_codes
     title: Integration error codes
   - path: /connections/schema-unique-limits

src/connections/find-writekey.md

@@ -1,5 +1,5 @@
 ---
-title: Write key
+title: Locate your Write Key
 ---
 
 The write key is a unique identifier for each Source. It lets Segment know which Source is sending the data, and which destinations should receive that data.