Added alt text to all of the images on the page

src/content/docs/alerts-applied-intelligence/applied-intelligence/incident-intelligence/use-incident-intelligence.mdx

@@ -19,7 +19,7 @@ After you [set up Incident Intelligence](/docs/alerts-applied-intelligence/appli
 
 In the **issue feed**, you can find an overview of all your issues, along with helpful information about them. You can also click any individual issue for more detail, including its analysis summary, event log, and details about correlated issues.
 
-![issue_feed.png](./images/issue_feed.png "issue_feed.png")
+![A screenshot of the Incident Intelligence issue feed.](./images/issue_feed.png "The Incident Intelligence issue feed.")
 
 <figcaption>
   This screenshot shows an example issue feed, which describes your issues' statuses, correlations, and more.
@@ -37,7 +37,7 @@ In more detail:
 
 The **Issue page** is built to provide you with bottom line insights first to understand the problem, and then to minimize the time you need to resolve it.
 
-![Issue Page Screenshot 2](./images/Screen-Shot-2020-10-21-at-9.32.39-AM.png)
+![A screenshot of the Issue page and its different sections: issue summary, suggested responders, label sets, and impacted entities.](./images/Screen-Shot-2020-10-21-at-9.32.39-AM.png "The Issue page and its different sections: issue summary, suggested responders, label sets, and impacted entities.")
 
 The **Issue page** includes the following sections:
 
@@ -50,7 +50,7 @@ Depending on the data in an issue, all four of these sections can show up togeth
 
 If you hover over an impacted entity application, you’ll notice a few calls to action: relevant dashboards, [anomaly overview](/docs/alerts-applied-intelligence/applied-intelligence/proactive-detection/proactive-detection-applied-intelligence#anomaly-overview), deployment events, and entity overview. 
 
-![Impacted entites list of actions](./images/impacted_entities_actions.png)
+![A screenshot of the impacted entities list of actions.](./images/impacted_entities_actions.png "The impacted entities list of actions.")
 
 * **Relevant dashboards** helps users in your account look at and interact with [dashboards](/docs/query-your-data/explore-query-data/dashboards/introduction-dashboards/) you've created that are related to an entity. The queries you've run to power the various widgets are automatically mapped to entities whenever possible and are presented back to you here for quick access and discovery.
 * **Anomaly overview** will open the application's anomalies page. This is only available for applications that are set up for Proactive Detection.
@@ -91,7 +91,7 @@ Root cause analysis automatically finds potential causes for an issue and its im
 Note that root cause analysis is dependent on other New Relic data sources and features. This is why root cause analysis information may not always be present for every issue.
 </Callout>
 
-![root-cause-analysis.png](./images/root-cause-analysis.png "root-cause-analysis.png")
+![A screenshot example root cause analysis](./images/root-cause-analysis.png "An example root cause analysis.")
 
 <figcaption>When you select an issue, you may see **Root cause analysis** information.</figcaption>
 
@@ -112,7 +112,7 @@ The issue timeline, as presented below, shows you a breakdown of:
 * What is correlated to each other
 * Various milestones at different issue levels
 
-![issue_feed.png](./images/incidents_timeline.png "issue_feed.png")
+![A screenshot example issue timeline.](./images/incidents_timeline.png "An example issue timeline.")
 
 In addition, you’ll see a grey line at the top of the timeline. In comparison to the visual timeline that shows the changes to each incident, the grey line represents changes to the issue.