Offer more helpful text

changedetectionio/templates/watch-overview.html

@@ -141,7 +141,7 @@
                     {% if watch['processor'] == 'restock_diff'  %}
                     <span class="restock-label {{'in-stock' if watch['in_stock'] else 'not-in-stock' }}" title="detecting restock conditions">
                         <!-- maybe some object watch['processor'][restock_diff] or.. -->
-                        {% if watch['last_checked'] %}
+                        {% if watch['last_checked'] and watch['in_stock'] != None %}
                             {% if watch['in_stock'] %} In stock {% else %} Not in stock {% endif %}
                         {% else %}
                             Not yet checked

changedetectionio/update_worker.py

@@ -403,7 +403,11 @@ class update_worker(threading.Thread):
                     except UnableToExtractRestockData as e:
                         # Usually when fetcher.instock_data returns empty
                         self.app.logger.error("Exception reached processing watch UUID: %s - %s", uuid, str(e))
-                        self.datastore.update_watch(uuid=uuid, update_obj={'last_error': f"Unable to extract restock data for this page unfortunately. (Got code {e.status_code} from server)"})
+                        self.datastore.update_watch(uuid=uuid,
+                                                    update_obj={
+                                                        'last_error': f"Unable to extract restock data for this page unfortunately. (Got code {e.status_code} from server), no embedded stock information was found and nothing interesting in the text, try using this watch with Chrome.",
+                                                    }
+                                                    )
                         process_changedetection_results = False
                     except Exception as e:
                         self.app.logger.error("Exception reached processing watch UUID: %s - %s", uuid, str(e))