diff --git a/cspell.config.yaml b/cspell.config.yaml
index 57b3b822..01eb5c3b 100644
--- a/cspell.config.yaml
+++ b/cspell.config.yaml
@@ -79,6 +79,7 @@ words:
   - mget # From ./packages/redis_client
   - metadatas
   - mktemp
+  - mmap # Unix system call — referenced in RELEASE_NOTES (libapp.so mmap-from-APK)
   - mocktail
   - mset # From ./packages/redis_client
   - multioption