[SIEM] update wordings (#71119)

* update wordings

* remove redundant wordings

x-pack/plugins/security_solution/public/timelines/components/open_timeline/translations.ts

@@ -298,6 +298,7 @@ export const IMPORT_FAILED_DETAILED = (id: string, statusCode: number, message:
 export const TEMPLATE_CALL_OUT_MESSAGE = i18n.translate(
   'xpack.securitySolution.timelines.components.templateCallOutMessageTitle',
   {
-    defaultMessage: 'Now you can add timeline templates and link it to rules.',
+    defaultMessage:
+      'Prebuit detection rules are now packaged with Timeline templates. You can also create your own Timeline templates and associate them with any rule.',
   }
 );

x-pack/plugins/security_solution/server/lib/timeline/routes/create_timelines_route.test.ts

@@ -28,7 +28,7 @@ import {
 import {
   CREATE_TEMPLATE_TIMELINE_ERROR_MESSAGE,
   CREATE_TIMELINE_ERROR_MESSAGE,
-} from './utils/create_timelines';
+} from './utils/failure_cases';
 
 describe('create timelines', () => {
   let server: ReturnType<typeof serverMock.create>;

x-pack/plugins/security_solution/server/lib/timeline/routes/import_timelines_route.ts

@@ -46,7 +46,7 @@ import { createTimelines } from './utils/create_timelines';
 import { TimelineStatus } from '../../../../common/types/timeline';
 
 const CHUNK_PARSED_OBJECT_SIZE = 10;
-const DEFAULT_IMPORT_ERROR = `Something went wrong, there's something we didn't handle properly, please help us improve by providing the file you try to import on https://discuss.elastic.co/c/security/siem`;
+const DEFAULT_IMPORT_ERROR = `Something has gone wrong. We didn't handle something properly. To help us fix this, please upload your file to https://discuss.elastic.co/c/security/siem.`;
 
 export const importTimelinesRoute = (
   router: IRouter,

x-pack/plugins/security_solution/server/lib/timeline/routes/utils/create_timelines.ts

@@ -13,11 +13,6 @@ import { SavedTimeline, TimelineSavedObject } from '../../../../../common/types/
 import { SavedNote } from '../../../../../common/types/timeline/note';
 import { NoteResult, ResponseTimeline } from '../../../../graphql/types';
 
-export const CREATE_TIMELINE_ERROR_MESSAGE =
-  'UPDATE timeline with POST is not allowed, please use PATCH instead';
-export const CREATE_TEMPLATE_TIMELINE_ERROR_MESSAGE =
-  'UPDATE template timeline with POST is not allowed, please use PATCH instead';
-
 export const saveTimelines = (
   frameworkRequest: FrameworkRequest,
   timeline: SavedTimeline,

x-pack/plugins/security_solution/server/lib/timeline/routes/utils/failure_cases.ts

@@ -11,27 +11,31 @@ import {
 } from '../../../../../common/types/timeline';
 
 export const UPDATE_TIMELINE_ERROR_MESSAGE =
-  'CREATE timeline with PATCH is not allowed, please use POST instead';
+  'You cannot create new timelines with PATCH. Use POST instead.';
 export const UPDATE_TEMPLATE_TIMELINE_ERROR_MESSAGE =
-  "CREATE template timeline with PATCH is not allowed, please use POST instead (Given template timeline doesn't exist)";
+  'You cannot create new Timeline templates with PATCH. Use POST instead (templateTimelineId does not exist).';
 export const NO_MATCH_VERSION_ERROR_MESSAGE =
-  'TimelineVersion conflict: The given version doesn not match with existing timeline';
+  'Timeline template version conflict. The provided templateTimelineVersion does not match the current template.';
 export const NO_MATCH_ID_ERROR_MESSAGE =
-  "Timeline id doesn't match with existing template timeline";
-export const TEMPLATE_TIMELINE_VERSION_CONFLICT_MESSAGE = 'Template timelineVersion conflict';
+  'There are no Timeline templates that match the provided templateTimelineId.';
+export const TEMPLATE_TIMELINE_VERSION_CONFLICT_MESSAGE =
+  'To update existing Timeline templates, you must increment the templateTimelineVersion value.';
 export const CREATE_TIMELINE_ERROR_MESSAGE =
-  'UPDATE timeline with POST is not allowed, please use PATCH instead';
+  'You cannot update timelines with POST. Use PATCH instead.';
 export const CREATE_TEMPLATE_TIMELINE_ERROR_MESSAGE =
-  'UPDATE template timeline with POST is not allowed, please use PATCH instead';
-export const EMPTY_TITLE_ERROR_MESSAGE = 'Title cannot be empty';
-export const UPDATE_STATUS_ERROR_MESSAGE = 'Update an immutable timeline is is not allowed';
+  'You cannot update Timeline templates with POST. Use PATCH instead.';
+export const EMPTY_TITLE_ERROR_MESSAGE = 'The title field cannot be empty.';
+export const UPDATE_STATUS_ERROR_MESSAGE =
+  'You are not allowed to set the status field value to immutable.';
 export const CREATE_TEMPLATE_TIMELINE_WITHOUT_VERSION_ERROR_MESSAGE =
-  'Create template timeline without a valid templateTimelineVersion is not allowed. Please start from 1 to create a new template timeline';
-export const CREATE_WITH_INVALID_STATUS_ERROR_MESSAGE = 'Cannot create a draft timeline';
-export const NOT_ALLOW_UPDATE_STATUS_ERROR_MESSAGE = 'Update status is not allowed';
-export const NOT_ALLOW_UPDATE_TIMELINE_TYPE_ERROR_MESSAGE = 'Update timelineType is not allowed';
+  'You must provide a valid templateTimelineVersion value. Use 1 for new Timeline templates.';
+export const CREATE_WITH_INVALID_STATUS_ERROR_MESSAGE =
+  'You are not allowed to set the status field value to draft.';
+export const NOT_ALLOW_UPDATE_STATUS_ERROR_MESSAGE = 'You are not allowed to set the status field.';
+export const NOT_ALLOW_UPDATE_TIMELINE_TYPE_ERROR_MESSAGE =
+  'You cannot convert a Timeline template to a timeline, or a timeline to a Timeline template.';
 export const UPDAT_TIMELINE_VIA_IMPORT_NOT_ALLOWED_ERROR_MESSAGE =
-  'Update timeline via import is not allowed';
+  'You cannot update a timeline via imports. Use the UI to modify existing timelines.';
 
 const isUpdatingStatus = (
   isHandlingTemplateTimeline: boolean,