Fixes error

Author: nastasha-solomon

docs/cases/cases-manage-settings.asciidoc

@@ -126,7 +126,7 @@ NOTE: If you update or delete templates, existing cases are unaffected.
 
 [float]
 [[cases-observable-types]]
-== Observable types
+=== Observable types
 
 .Requirements
 [sidebar]

docs/cases/cases-manage.asciidoc

@@ -101,7 +101,7 @@ TIP: Comments can contain Markdown. For syntax help, click the Markdown icon (im
 * <<cases-lens-visualization>>
 * Modify the case's description, assignees, category, severity, status, and tags. 
 * <<cases-ui-integrations,Manage connectors>> and send updates to external systems (if you've added a connector to the case)
-* <<cases-manage-observables>> 
+* <<cases-add-observables>> 
 * <<cases-copy-case-uuid>>
 * Refresh the case to retrieve the latest updates
 
@@ -218,7 +218,7 @@ To create an observable:
 . Provide the required details:
 ** **Type**: Select the observable type. You can choose one of the preset types or create a <<cases-observable-types,custom one>>. 
 +
-NOTE: A case can have up to 50 observables.
+NOTE: Each case can have a maximum of 50 observables.
 +
 ** *Value*: Enter a value for the observable. The value must align with the type you select. 
 ** *Description* (Optional): Provide additional information about the observable. 

docs/serverless/investigate/cases-open-manage.asciidoc

@@ -108,7 +108,7 @@ Comments can contain Markdown. For syntax help, click the Markdown icon (image:i
 * <<cases-lens-visualization,Add a Lens visualization>>
 * Modify the case's description, assignees, category, severity, status, and tags.
 * Manage connectors and send updates to external systems (if you've added a connector to the case)
-* <<cases-manage-observables>> 
+* <<cases-add-observables>> 
 * <<cases-copy-case-uuid,Copy the case UUID>>
 * Refresh the case to retrieve the latest updates
 
@@ -236,7 +236,7 @@ To create an observable:
 . Provide the required details:
 ** **Type**: Select the observable type. You can choose one of the preset types or create a <<security-cases-observable-types,custom one>>. 
 +
-NOTE: A case can have up to 50 observables.
+NOTE: Each case can have a maximum of 50 observables.
 +
 ** *Value*: Enter a value for the observable. The value must align with the type you select. 
 ** *Description* (Optional): Provide additional information about the observable.