diff --git a/aspnetcore/security/authentication/social/facebook-logins.md b/aspnetcore/security/authentication/social/facebook-logins.md
index 779b6628e0..14c916945f 100644
--- a/aspnetcore/security/authentication/social/facebook-logins.md
+++ b/aspnetcore/security/authentication/social/facebook-logins.md
@@ -14,8 +14,6 @@ uid: security/authentication/facebook-logins
---
# Configuring Facebook authentication
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By [Valeriy Novytskyy](https://github.com/01binary) and [Rick Anderson](https://twitter.com/RickAndMSFT)
This tutorial shows you how to enable your users to sign in with their Facebook account using a sample ASP.NET Core 2.0 project created on the [previous page](index.md). We start by creating a Facebook App ID by following the [official steps](https://www.facebook.com/unsupportedbrowser).
diff --git a/aspnetcore/security/authentication/social/google-logins.md b/aspnetcore/security/authentication/social/google-logins.md
index 1de874e793..d43cc439aa 100644
--- a/aspnetcore/security/authentication/social/google-logins.md
+++ b/aspnetcore/security/authentication/social/google-logins.md
@@ -13,8 +13,6 @@ uid: security/authentication/google-logins
---
# Configuring Google authentication in ASP.NET Core
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-
By [Valeriy Novytskyy](https://github.com/01binary) and [Rick Anderson](https://twitter.com/RickAndMSFT)
This tutorial shows you how to enable your users to sign in with their Google+ account using a sample ASP.NET Core 2.0 project created on the [previous page](index.md). We start by following the [official steps](https://developers.google.com/identity/sign-in/web/devconsole-project) to create a new app in Google API Console.
diff --git a/aspnetcore/security/authentication/social/microsoft-logins.md b/aspnetcore/security/authentication/social/microsoft-logins.md
index 411564a82d..e6bcf9a99a 100644
--- a/aspnetcore/security/authentication/social/microsoft-logins.md
+++ b/aspnetcore/security/authentication/social/microsoft-logins.md
@@ -14,8 +14,6 @@ uid: security/authentication/microsoft-logins
---
# Configuring Microsoft Account authentication
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By [Valeriy Novytskyy](https://github.com/01binary) and [Rick Anderson](https://twitter.com/RickAndMSFT)
This tutorial shows you how to enable your users to sign in with their Microsoft account using a sample ASP.NET Core 2.0 project created on the [previous page](index.md).
diff --git a/aspnetcore/security/authentication/social/twitter-logins.md b/aspnetcore/security/authentication/social/twitter-logins.md
index c070beb0ab..ffc7dc918a 100644
--- a/aspnetcore/security/authentication/social/twitter-logins.md
+++ b/aspnetcore/security/authentication/social/twitter-logins.md
@@ -14,8 +14,6 @@ uid: security/authentication/twitter-logins
---
# Configuring Twitter authentication
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By [Valeriy Novytskyy](https://github.com/01binary) and [Rick Anderson](https://twitter.com/RickAndMSFT)
This tutorial shows you how to enable your users to [sign in with their Twitter account](https://dev.twitter.com/web/sign-in/desktop-browser) using a sample ASP.NET Core 2.0 project created on the [previous page](index.md).