chore(ontology): update create ontology tooltip for unique name (DSP-…

…1139) (#500)

src/app/project/ontology/ontology-form/ontology-form.component.ts

@@ -79,7 +79,7 @@ export class OntologyFormComponent implements OnInit {
             'required': 'Name is required.',
             'minlength': 'Name must be at least ' + this.nameMinLength + ' characters long.',
             'maxlength': 'Name cannot be more than ' + this.nameMaxLength + ' characters long.',
-            'pattern': 'Name shouldn\'t start with a number or v + number and spaces or special characters are not allowed.',
+            'pattern': 'Name shouldn\'t start with a number or v + number and spaces or special characters (except dash, dot and underscore) are not allowed.',
             'existingName': 'This name is not allowed or exists already.'
         },
         'label': {
@@ -93,7 +93,7 @@ export class OntologyFormComponent implements OnInit {
         - must be at least 3 characters long
         - shouldn't begin with a number
         - shouldn't begin with the letter v and a number
-        - spaces or special characters are not allowed
+        - spaces or special characters (except dash, dot and underscore) are not allowed
         - may not contain these reserved words: knora, ontology, salsah, shared, simple or standoff
         - can't be changed afterwards
     `;