diff --git a/glossary.md b/glossary.md
index a2954635a5ce93..eb44536e6eca79 100644
--- a/glossary.md
+++ b/glossary.md
@@ -12,5 +12,5 @@ You may also need to check <https://chromium.googlesource.com/chromiumos/docs/+/
 * godbolt: [Compiler Explorer](https://godbolt.org/) run compilers interactively
   from your web browser and interact with the assembly. Was created by and is
   primarily administrated by Matt Godbolt.
-* primordials: Pristine built-ins that are not effected by prototype pollution
+* primordials: Pristine built-ins that are not affected by prototype pollution
   and tampering with built-ins.