[BUG] Error in step 1 of procedures for configuring basic rule settings (#953) (#958)

* Removed extra text.

* Incorporating Janeen's feedback.

Author: nastasha-solomon

docs/detections/rules-ui-create.asciidoc

@@ -275,8 +275,8 @@ NOTE: The preview excludes the effects of rule exceptions and timestamp override
 .. *Name*: The rule's name.
 .. *Description*: A description of what the rule does.
 .. *Default severity*: Select the severity level of alerts created by the rule:
-* *Low*image::images/rules-ui-create-9c2d1.png[]: Alerts that are of interest but generally not considered to be
-security incidents. Sometimes, a combination of low severity events can
+* *Low*: Alerts that are of interest but generally are not considered to be
+security incidents. Sometimes a combination of low severity alerts can
 indicate suspicious activity.
 * *Medium*: Alerts that require investigation.
 * *High*: Alerts that require an immediate investigation.