Typo fixes

Author: VesaJuvonen

docs/general-development/sharepoint-2019-development-platform.md

@@ -8,7 +8,7 @@ localization_priority: Priority
 
 # SharePoint Server 2019 development platform
 
-This article contains details around supported development capabilities in the SharePoint 2019.
+Article contains details around supported development capabilities in the SharePoint 2019.
 
 **Supported capabilities**
 
@@ -31,9 +31,9 @@ This article contains details around supported development capabilities in the S
 * "Tenant" properties
 * Custom modern themes for communication site or modern team site
 
-You should always have the latest SharePoint Framework version installed and choose the target environment for the newly created solution to be **SharePoint 2019**. This will create you an optimal solution structure with the matching SharePoint Framework version for SharePoint 2019.
+You should always have the latest SharePoint Framework version installed and choose the target environment for the newly created solution to be **SharePoint 2019**. This option will create you an optimal solution structure with the matching SharePoint Framework version for SharePoint 2019.
 
-Visual Studio 2017 v15.9 or includes SharePoint 2019 tooling extensions for SharePoint add-ins, farm solutions and sandbox solutions. 
+Visual Studio 2017 v15.9 or includes SharePoint 2019 tooling extensions for SharePoint add-ins, farm solutions, and sandbox solutions. 
 
 ## See also
 

docs/spfx/roadmap.md

@@ -1,7 +1,7 @@
 ---
 title: SharePoint Framework roadmap
 description: Key modern customization capabilities released after General Availability.
-ms.date: 04/18/2019
+ms.date: 09/01/2019
 ms.prod: sharepoint
 localization_priority: Priority
 ---
@@ -39,6 +39,7 @@ The first release of the SharePoint Framework contained only support for client-
 - Content Security Policy (CSP) support
 - Additional placeholder, like content header, content footer, navigation extensions, search extensions
 - Improved developer experience and tooling
+- Pre-allocate space for the extensions while rendering page in server side
 
 ## Client-side web parts++ and add-ins
 
@@ -81,7 +82,7 @@ The following sections list older items that have already shipped.
 
 - ALM REST APIs. Deploy, activate, delete, and upgrade apps and add-ins.
 - ALM REST APIs targeted to support *everything* in the app catalog, including add-ins.
-- CSOM and PowerShell cmdlets released as an open source community initiative.
+- CSOM and PowerShell cmdlets released as an open-source community initiative.
 
 ### JavaScript embedding support (JSLink, User Custom Actions)