fixrule(blockquote_cite_exists): Add cite to messages

accessibility-checker-engine/help-v4/en-US/blockquote_cite_exists.html

@@ -45,15 +45,16 @@ <h3 id="ruleMessage"></h3>
 
 ### Why is this important?
 
-The HTML `<blockquote>` element tells assistive technologies which content is part of a quotation or citation. Using the element for indention or formatting can mislead assistive technology users as to its meaning and purpose.
+The `<blockquote>` element tells assistive technologies which content is part of a quotation or citation from another source. 
+Using the element for indention or formatting only can mislead assistive technology users as to its meaning and purpose.
 
 <!-- This is where the code snippet is injected -->
 <div id="locSnippet"></div>
 
 ### What to do
 
- * Verify that `<blockquote>` is being used for actual quoted text;
- * **Or**, do not use `<blockquote>` for this content.
+ * Verify that `<blockquote>` is being used for an actual quotation and correctly uses a `cite` attribute
+ * **Or**, do not use `<blockquote>` and otherwise use CSS to achieve the desired visual indentation
 
 </script></mark-down>
 <!-- End main panel -->
@@ -67,10 +68,11 @@ <h3 id="ruleMessage"></h3>
 ### About this requirement
 
 * [IBM 1.3.1 Info and Relationships](https://www.ibm.com/able/requirements/requirements/#1_3_1)
+* [W3C HTML5 for authors - Blockquote](https://www.w3.org/TR/html5-author/the-blockquote-element.html#the-blockquote-element)
 
 ### Who does this affect?
 
- * People using a screen reader, including blind, low vision and neurodivergent people
+ * People using a screen reader, including blind, low vision, and neurodivergent people
  * People using text only, monochrome or braille displays
  * People using text-based browsers (e.g., Lynx) or audio interfaces
 

accessibility-checker-engine/src/v4/rules/blockquote_cite_exists.ts

@@ -33,7 +33,7 @@ export let blockquote_cite_exists: Rule = {
     messages: {
         "en-US": {
             "Pass_0": "Rule Passed",
-            "Potential_1": "Verify that <blockquote> should not be used only for quotations, not indentation",
+            "Potential_1": "Verify that <blockquote> should have a 'cite' attribute and not be used for indentation only",
             "group": "Use <blockquote> only for quotations, not indentation"
         }
     },
@@ -55,4 +55,4 @@ export let blockquote_cite_exists: Rule = {
         if (!passed) return RulePotential("Potential_1");
 
     }
-}
+}