Fix explanation of snapshot creation event

download.md

@@ -37,6 +37,6 @@ The unstable version of Dynare is the version on which Dynare developers are
 currently working. It contains the latest features, but may contain bugs or
 even not work at all! For this reason, most users should use the stable version
 unless they really need bleeding edge features and are willing to take some
-risks. It is produced every day when there is a change to the codebase.
+risks. It is produced whenever there is a change to the codebase.
 
 {% include download-snapshot.html %}