Update operators.mdx

added this:

<br/>
<sup>4</sup> All operators are case-sensitive unless explicitly stated as case-insensitive, such as the Wildcard operator mentioned above.

Author: Kiki-Y123

src/content/docs/ruleset-engine/rules-language/operators.mdx

@@ -182,6 +182,8 @@ The Rules language supports these comparison operators:
 <sup>1</sup> For more information, refer to [Wildcard matching](#wildcard-matching).<br/>
 <sup>2</sup> Access to the `matches` operator requires a Cloudflare Business or Enterprise plan. For more information, refer to [Regular expression matching](#regular-expression-matching).<br/>
 <sup>3</sup> Currently, not all Cloudflare products support lists in their expressions. For more information on lists, refer to [Inline lists](/ruleset-engine/rules-language/values/#inline-lists) and [Lists](/waf/tools/lists/).
+<br/>
+<sup>4</sup> All operators are case-sensitive unless explicitly stated as case-insensitive, such as the Wildcard operator mentioned above.
 
 :::caution
 Comparison operators entered using English notation (such as `eq`, `lt`, and `gt`) must be written in lowercase.