Update call-api.md

Author: magrefaat

articles/cognitive-services/language-service/custom-named-entity-recognition/how-to/call-api.md

@@ -44,7 +44,7 @@ See the [application development lifecycle](../overview.md#application-developme
 > 4. Click on **Run the test**.
 > 5. In the **Result** tab, you can see the extracted entities from your text. You can also view the JSON response under the **JSON** tab.
 
-## Send a text classification request to your model
+## Send an entity recognition request to your model
 
 # [Using Language Studio](#tab/language-studio)