diff --git a/contributor_docs/friendly_error_system.md b/contributor_docs/friendly_error_system.md
index 7cc3ecb2ed..0a1fe3c4d3 100644
--- a/contributor_docs/friendly_error_system.md
+++ b/contributor_docs/friendly_error_system.md
@@ -129,7 +129,7 @@ You can find the translation files used by the `translator()` inside:
 These functions are mainly responsible for catching errors and generating FES messages:
 * [`_friendlyFileLoadError()`] catches file loading errors.
 * [`_validateParameters()`] checks a p5.js function’s input parameters based on inline documents.
-* [`_fesErrorMontitor()`] handles global errors.
+* [`_fesErrorMonitor()`] handles global errors.
 
 For full reference, please see our [Dev Notes].
 
@@ -165,4 +165,4 @@ function setup() {
 
 The single minified file of p5 (i.e., p5.min.js) automatically omits the FES.
 
-[disable the FES for performance]: https://github.com/processing/p5.js/wiki/Optimizing-p5.js-Code-for-Performance#disable-the-friendly-error-system-fes
\ No newline at end of file
+[disable the FES for performance]: https://github.com/processing/p5.js/wiki/Optimizing-p5.js-Code-for-Performance#disable-the-friendly-error-system-fes