Clarify some semantic_text docs (#111329) (#111353)

docs/reference/mapping/types/semantic-text.asciidoc

@@ -52,8 +52,8 @@ Use the <<put-inference-api>> to create the endpoint.
 The `inference_id` will not be validated when the mapping is created, but when documents are ingested into the index.
 When the first document is indexed, the `inference_id` will be used to generate underlying indexing structures for the field.
 
-WARNING: Removing an inference endpoint will cause ingestion of documents and semantic queries to fail on indices that define `semantic_text` fields with that inference endpoint as their `inference_id`.
-Please check that inference endpoints are not used in `semantic_text` fields before removal.
+WARNING: Removing an {infer} endpoint will cause ingestion of documents and semantic queries to fail on indices that define `semantic_text` fields with that {infer} endpoint as their `inference_id`.
+Trying to <<delete-inference-api,delete an {infer} endpoint>> that is used on a `semantic_text` field will result in an error.
 
 [discrete]
 [[auto-text-chunking]]
@@ -132,7 +132,8 @@ field data.
 [[update-script]]
 ==== Updates to `semantic_text` fields
 
-Updates that use scripts are not supported when the index contains a `semantic_text` field.
+Updates that use scripts are not supported for an index contains a `semantic_text` field.
+Even if the script targets non-`semantic_text` fields, the update will fail when the index contains a `semantic_text` field.
 
 
 [discrete]