diff --git a/doc/gromox-snapshot.8 b/doc/gromox-snapshot.8
index 528025e4e..135da9afa 100644
--- a/doc/gromox-snapshot.8
+++ b/doc/gromox-snapshot.8
@@ -22,25 +22,25 @@ file, with one variable per line.
 .TP
 \fBretention_days\fP=\fIn\fP
 Make daily snapshots and keep them for \fIn\fP days. Use \fI0\fP to
-deactivate daily snapshots.
+deactivate daily snapshotting.
 .br
 Default: \fI7\fP
 .TP
 \fBretention_hours\fP=\fIn\fP
-Make monthly snapshots and keep them for \fIn\fP months. Use \fI0\fP to
-deactivate monthly snapshots.
+Make hourly snapshots and keep them for \fIn\fP hours. Use \fI0\fP to
+deactivate hourly snapshotting.
 .br
 Default: \fI0\fP
 .TP
 \fBretention_months\fP=\fIn\fP
 Make monthly snapshots and keep them for \fIn\fP months (more precisely,
-\fIn\fP*31 days). Use \fI0\fP to deactivate monthly snapshots.
+\fIn\fP*31 days). Use \fI0\fP to deactivate monthly snapshotting.
 .br
 Default: \fI0\fP
 .TP
 \fBretention_weeks\fP=\fIn\fP
 Make weekly snapshots and keep them for \fIn\fP weeks. Use \fI0\fP to
-deactivate weekly snapshots.
+deactivate weekly snapshotting.
 .br
 Default: \fI4\fP
 .TP