Apply suggestion from @Copilot

Co-authored-by: Copilot <[email protected]>

Author: starfy84

ruleset.yaml

@@ -61,7 +61,7 @@ rules:
       description: Validation rules make sure that certain characters or patterns have not been used that may cause issues when rendering in different types of applications.
       id: validation
       name: Validation
-    description: Markdown descriptions can't have `eval()` statements'. Malicious actors can use these to embed code in contracts, executing when a browser reads it.
+    description: Markdown descriptions can't have `eval()` statements. Malicious actors can use these to embed code in contracts, executing when a browser reads it.
     formats:
       - oas3
       - oas3_1