diff --git a/Resources-Library.md b/Resources-Library.md
index 64db1bd..787bb55 100644
--- a/Resources-Library.md
+++ b/Resources-Library.md
@@ -651,7 +651,7 @@ Defuses calls to `fetch()` by returning a promise which always resolve to an emp
 
 Parameters:
  - optional, space-separated list of conditions which must be ALL fulfilled in order for the defusing to take place:
-     - string/_regular expression_ matching in URL passed to `fetch()` call
+     - string/_regular expression_, prefixed by `!` for negation (new in [1.59.1b13](https://github.com/gorhill/uBlock/commit/e8202af11d)), matching in URL passed to `fetch()` call
      - colon-separated `name:value` pairs of [`init` option name](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch#Parameters) and string/_regular expression_ matching in value of that option passed to `fetch()` call.
  - optional, (new in [1.58.1rc4](https://github.com/gorhill/uBlock/commit/e785b99338)), string for defining response type / JSON string with
 properties to set on the returned response instance, original response type is used if not specified:
@@ -663,6 +663,7 @@ When used without parameters, the parameters passed to `no-fetch-if` will be log
 Examples:
  - `example.com##+js(no-fetch-if, method:HEAD)`
  - `example.com##+js(no-fetch-if, adsbygoogle.js)`
+ - `example.com##+js(no-fetch-if, !adsbygoogle.js)`
  - `example.com##+js(no-fetch-if, adsbygoogle.js method:HEAD)`
  - `example.com##+js(no-fetch-if, /adsbygoogle.js$/ method:/HEAD|POST/)`