fix icon

Author: markzegarelli

src/_sass/components/_markdown.scss

@@ -253,4 +253,11 @@
       }
     }
   }
+
+
 }
+
+a[target="_blank"]:after{
+  content: url("/docs/images/external-link-alt-solid.svg");
+  margin-left: 4px;
+}

src/connections/destinations/catalog/actions-amplitude/index.md

@@ -34,7 +34,7 @@ Session tracking is only available when using Segment's new libraries: [Analytic
 
 ## Getting Started
 
-1. Before you start, go to your [Amplitude workspace](https://analytics.amplitude.com){:target="blank"}. Click **Settings** in the bottom left, then click **Projects** in the left menu. Select your **Project**. Copy the Amplitude API Key and Secret Key for the project.
+1. Before you start, go to your [Amplitude workspace](https://analytics.amplitude.com){:target="_blank"}. Click **Settings** in the bottom left, then click **Projects** in the left menu. Select your **Project**. Copy the Amplitude API Key and Secret Key for the project.
 2. From the Segment web app, click **Catalog**, then click **Destinations**.
 3. Find the Destinations Actions item in the left navigation, and click it.
 4. Click the "Amplitude" item to select it and click **Configure**.