ESA-675 Add delete restrictions to the public documentation

src/content/docs/apis/nerdgraph/examples/nerdgraph-entities-api-tutorial.mdx

@@ -312,7 +312,7 @@ Entities in NerdGraph rely on [GraphQL interfaces](/docs/apis/graphql-api/gettin
 
     Use the value of `nextCursor` in your next search:
 
-    ```
+    ```graphql
     {
       actor {
         entitySearch(query: "name like 'nerd-graph'") {
@@ -343,4 +343,11 @@ mutation {
 
 ```
 
-Note that a deleted entity may appear again in your UI if a New Relic agent reindexes it again.
+<Callout variant="important">
+  Currently, only the following [entity types](/docs/new-relic-one/use-new-relic-one/core-concepts/what-entity-new-relic) are allowed to be removed using the nerdgraph api:
+  `APM-APPLICATION`, `EXT-SERVICE` and `REF-REPOSITORY`
+</Callout>
+
+<Callout variant="important">
+  Note that a deleted entity may appear again in your UI if a New Relic agent reindexes it again.
+</Callout>