[Security] Fix typo on View entity details page (elastic#2320)

Resolves elastic/security-docs#6981.

Author: natasha-moore-elastic

solutions/security/advanced-entity-analytics/view-entity-details.md

@@ -7,7 +7,7 @@ applies_to:
 
 # View entity details
 
-You can lean more about an entity (host, user, or service) from the entity details flyout, which is available throughout the {{elastic-sec}} app. To access this flyout, click on an entity name in places such as:
+You can learn more about an entity (host, user, or service) from the entity details flyout, which is available throughout the {{elastic-sec}} app. To access this flyout, click on an entity name in places such as:
 
 * The Alerts table
 * The Entity Analytics overview