docs: standardize heading case and sync terminology (#480)

Co-authored-by: mintlify[bot] <109931778+mintlify[bot]@users.noreply.github.com>

Author: mintlify[bot]

client-sdks/advanced/gis-data-postgis.mdx

@@ -62,7 +62,7 @@ Postgres' internal binary representation of the PostGIS type is as follows:
 
 ## On the Client
 
-### AppSchema example
+### AppSchema Example
 
 ```js
 export const AppSchema = new Schema([

client-sdks/advanced/local-only-usage.mdx

@@ -89,6 +89,6 @@ It is up to the application to then re-create the queue when the user registers,
 
 A small amount of metadata per row is also stored in the `ps_oplog` table. We do not recommend deleting this data, as it can cause or hide consistency issues when later uploading the data. If the overhead in `ps_oplog` is too much, rather use the local-only tables approach.
 
-### Local-only columns on synced tables
+### Local-Only Columns on Synced Tables
 
 If you need individual local-only columns on a table that is otherwise synced (rather than an entirely local-only table), this can be achieved with [raw tables](/client-sdks/advanced/raw-tables#local-only-columns).

client-sdks/javascript-web/usage-examples.mdx

@@ -1,5 +1,5 @@
 ---
-title: "JavaScript Web SDK usage examples"
+title: "JavaScript Web SDK Usage Examples"
 description: "Code snippets and patterns for common PowerSync JavaScript Web SDK scenarios."
 sidebarTitle: "Usage Examples"
 ---

configuration/app-backend/cloudcode.mdx

@@ -1,5 +1,5 @@
 ---
-title: "CloudCode for MongoDB backends"
+title: "CloudCode for MongoDB Backends"
 description: "Use JourneyApps CloudCode as a managed backend for PowerSync with MongoDB."
 ---
 

handling-writes/handling-write-validation-errors.mdx

@@ -39,7 +39,7 @@ For more details on strategies, see:
 
 
 <Card title="Custom Conflict Resolution" icon="code-merge" href="/handling-writes/custom-conflict-resolution" horizontal/>
-#### Dead-letter queue
+#### Dead-Letter Queue
 
 Optionally, the server can implement a "dead-letter queue":
 

integrations/supabase/local-development.mdx

@@ -1,5 +1,5 @@
 ---
-title: "Local development with Supabase and PowerSync"
+title: "Local Development with Supabase and PowerSync"
 description: "Set up local development with Supabase and PowerSync."
 sidebarTitle: "Local Development"
 ---

resources/hipaa.mdx

@@ -9,7 +9,7 @@ The Health Insurance Portability and Accountability Act (HIPAA) is a comprehensi
 
 Entities that handle ePHI must comply with the HIPAA Privacy Rule, Security Rule, and Breach Notification Rule.
 
-PowerSync serves as a **Business Associate (BA)** for customers (the **Covered Entity** or their BA) who utilize our service to synchronize healthcare-related data. As a BA, PowerSync has specific legal obligations to safeguard ePHI that passes through our synchronization service.
+PowerSync serves as a **Business Associate (BA)** for customers (the **Covered Entity** or their BA) who utilize our service to synchronize healthcare-related data. As a BA, PowerSync has specific legal obligations to safeguard ePHI that passes through our sync service.
 
 To achieve HIPAA compliance when using PowerSync, two primary conditions must be met:
 
@@ -55,7 +55,7 @@ The customer remains the owner of their application, databases, and client devic
 
 ## PowerSync’s Responsibilities (as BA)
 
-PowerSync’s core responsibility is to protect ePHI while it is in transit and temporarily processed by our synchronization service.
+PowerSync’s core responsibility is to protect ePHI while it is in transit and temporarily processed by our sync service.
 
 As a Business Associate, PowerSync is directly liable for compliance with certain provisions of the HIPAA Rules and adheres to the terms of the BAA by:
 

sync/advanced/sync-data-by-time.mdx

@@ -1,5 +1,5 @@
 ---
-title: "Sync data by time with Sync Streams"
+title: "Sync Data by Time with Sync Streams"
 description: "Filter and sync data based on time ranges using Sync Streams/Sync Rules, with patterns for recent-only and sliding-window queries."
 sidebarTitle: "Sync Data by Time"
 ---

sync/rules/many-to-many-join-tables.mdx

@@ -1,5 +1,5 @@
 ---
-title: "Many-to-many relationships and join tables in Sync Rules"
+title: "Many-to-Many Relationships and Join Tables in Sync Rules"
 sidebarTitle: "Many-to-Many and Join Tables"
 description: "Handle many-to-many relationships in Sync Rules using join table strategies."
 ---

tools/local-development.mdx

@@ -1,5 +1,5 @@
 ---
-title: "Run PowerSync locally with Docker and the CLI"
+title: "Run PowerSync Locally with Docker and the CLI"
 description: "Set up PowerSync locally for development using Docker and the CLI."
 sidebarTitle: Local Development
 ---