(minor) fix comment, comment typo

packages/mermaid/src/tests/MockedD3.ts

@@ -99,7 +99,7 @@ export class MockedD3 {
     return this;
   }
 
-  // NOTE: Returns a HTML ELement with tag 'svg' that has _another_ 'svg' element child.
+  // NOTE: Returns a HTML Element with tag 'svg' that has _another_ 'svg' element child.
   // This allows different tests to succeed -- some need a top level 'svg' and some need a 'svg' element to be the firstChild
   // Real implementation returns an HTML Element
   public node = vi.fn().mockImplementation(() => {

packages/mermaid/src/utils.ts

@@ -915,7 +915,7 @@ export function getErrorMessage(error: unknown): string {
 }
 
 /**
- * Appends <text> element with the given title, centered.
+ * Appends <text> element with the given title and css class.
  *
  * @param parent - d3 svg object to append title to
  * @param cssClass - CSS class for the <text> element containing the title