diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 45fbc02..f250507 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -4,6 +4,8 @@
 
 Search by content also looks into alt-text from attachments (images, videos, etc.).
 
+Fixed a failed compilation under Solaris/Illumos.
+
 ## 2.57
 
 Added support for listening on UNIX-like sockets.