docs: fix typo
diff --git a/docs/api-regions.md b/docs/api-regions.md
index e68d9e6..a6ede8f 100644
--- a/docs/api-regions.md
+++ b/docs/api-regions.md
@@ -17,7 +17,7 @@
 
 Note that the `global` region is a predefined region that exports the listed packages to everyone. Other region names can be chosen freely. Packages listed in these other regions are only exposed to bundles in features that are in the same region.
 
-    "api-regions:JSON|optinal" : [
+    "api-regions:JSON|optional" : [
         {
             "name": "global",
             "exports": [