diff --git a/ui-ngx/src/app/shared/components/slack-conversation-autocomplete.component.ts b/ui-ngx/src/app/shared/components/slack-conversation-autocomplete.component.ts
index 001631360a..31c61511a2 100644
--- a/ui-ngx/src/app/shared/components/slack-conversation-autocomplete.component.ts
+++ b/ui-ngx/src/app/shared/components/slack-conversation-autocomplete.component.ts
@@ -134,6 +134,7 @@ export class SlackConversationAutocompleteComponent implements ControlValueAcces
       if (!change.firstChange && change.currentValue !== change.previousValue) {
         if (propName === 'slackChanelType' || propName === 'token') {
           this.clearSlackCache();
+          this.dirty = true;
           this.conversationSlackFormGroup.get('conversation').patchValue('');
         }
       }
@@ -167,8 +168,8 @@ export class SlackConversationAutocompleteComponent implements ControlValueAcces
 
   onFocus() {
     if (this.dirty) {
-      this.conversationSlackFormGroup.get('conversation').updateValueAndValidity({onlySelf: true, emitEvent: true});
       this.dirty = false;
+      this.conversationSlackFormGroup.get('conversation').updateValueAndValidity({onlySelf: true, emitEvent: true});
     }
   }
 
@@ -184,6 +185,9 @@ export class SlackConversationAutocompleteComponent implements ControlValueAcces
   }
 
   private fetchSlackConversation(searchText?: string): Observable<Array<SlackConversation>> {
+    if (this.dirty) {
+      return of([]);
+    }
     if (this.slackSearchText !== searchText || this.latestSearchConversetionResult === null) {
       this.slackSearchText = searchText;
       const slackConversationFilter = this.createSlackConversationFilter(this.slackSearchText);
diff --git a/ui-ngx/src/app/shared/models/notification.models.ts b/ui-ngx/src/app/shared/models/notification.models.ts
index c77373922e..0969af78d4 100644
--- a/ui-ngx/src/app/shared/models/notification.models.ts
+++ b/ui-ngx/src/app/shared/models/notification.models.ts
@@ -539,7 +539,7 @@ export const NotificationTemplateTypeTranslateMap = new Map<NotificationType, No
   [NotificationType.RULE_ENGINE,
     {
       name: 'notification.template-type.rule-engine',
-      helpId: 'notification/rule-engine'
+      helpId: 'notification/rule_engine'
     }
   ]
 ]);
diff --git a/ui-ngx/src/assets/help/en_US/notification/rule-engine.md b/ui-ngx/src/assets/help/en_US/notification/rule_engine.md
similarity index 100%
rename from ui-ngx/src/assets/help/en_US/notification/rule-engine.md
rename to ui-ngx/src/assets/help/en_US/notification/rule_engine.md