diff --git a/ReleaseNotes/release_notes.md b/ReleaseNotes/release_notes.md
index 48c41cbf..d030546e 100644
--- a/ReleaseNotes/release_notes.md
+++ b/ReleaseNotes/release_notes.md
@@ -12,7 +12,7 @@
 
 ## Bug fixes:
 
-  1. fix minor typos in `oftap.fitting.pdfbasic.py`
+  1. fix minor typos in `ostap.fitting.pdfbasic.py`
 
 # v1.9.9.8