diff --git a/episodes/01-query.md b/episodes/01-query.md
index 3e7e3ba4..96838ae1 100644
--- a/episodes/01-query.md
+++ b/episodes/01-query.md
@@ -238,7 +238,7 @@ Main Database accumulating catalogue version from which the catalogue
 release has been generated. It contains the basic source parameters,
 that is only final data (no epoch data) and no spectra (neither final
 nor epoch).
-Num. columns: 95
+Num. columns: 96
 ```
 
 ## Columns