diff --git a/config/sample-development.engine.ini b/config/sample-development.engine.ini
index 2217e73532700bbc76940907c6c011c383ea4e00..c1bb95fa0547525d25f281f11b90c4c72b468283 100644
--- a/config/sample-development.engine.ini
+++ b/config/sample-development.engine.ini
@@ -81,7 +81,7 @@ audio_source_extension=".flac"
 audio_playlist_folder="audio/playlist"
 # Offset in seconds how long it takes for Liquidsoap to actually execute a scheduler command; Crucial to keep things in sync
 engine_latency_offset=0.5
-# How often should the calendar be fetched in seconds. This determines the time of the last changes applied, before a specific show aired
+# How often should the calendar be fetched in seconds. This determines the time of the last changes applied, before a specific show is aired
 fetching_frequency=30
 # The scheduling window defines when the entries of each timeslot are queued for play-out. The windows start at (timeslot.start - window_start) seconds
 # and ends at (timeslot.end - window.end) seconds. Its also worth noting, that timeslots can only be deleted before the start of the window.
diff --git a/config/sample-docker.engine.ini b/config/sample-docker.engine.ini
index d954d091cd682e1b8f016d9d42448c94993554b6..283c1f56d519073ff0749e38f643942b04eaee6a 100644
--- a/config/sample-docker.engine.ini
+++ b/config/sample-docker.engine.ini
@@ -81,8 +81,8 @@ audio_source_extension=".flac"
 audio_playlist_folder="/var/audio/playlist"
 # Offset in seconds how long it takes for Liquidsoap to actually execute a scheduler command; Crucial to keep things in sync
 engine_latency_offset=0.5
-# How often should the calendar be fetched in seconds. This determines the time of the last changes applied, before a specific show aired
-fetching_frequency=300
+# How often should the calendar be fetched in seconds. This determines the time of the last changes applied, before a specific show is aired
+fetching_frequency=30
 # The scheduling window defines when the entries of each timeslot are queued for play-out. The windows start at (timeslot.start - window_start) seconds
 # and ends at (timeslot.end - window.end) seconds. Its also worth noting, that timeslots can only be deleted before the start of the window.
 scheduling_window_start=60
diff --git a/config/sample-production.engine.ini b/config/sample-production.engine.ini
index 723b58c8520d2cdcab7e63abb937117b593f8cd9..ff0053a4fb49d89424e84ab78245079a0bb4377a 100644
--- a/config/sample-production.engine.ini
+++ b/config/sample-production.engine.ini
@@ -81,8 +81,8 @@ audio_source_extension=".flac"
 audio_playlist_folder="audio/playlist"
 # Offset in seconds how long it takes for Liquidsoap to actually execute a scheduler command; Crucial to keep things in sync
 engine_latency_offset=0.5
-# How often should the calendar be fetched in seconds. This determines the time of the last changes applied, before a specific show aired
-fetching_frequency=300
+# How often should the calendar be fetched in seconds. This determines the time of the last changes applied, before a specific show is aired
+fetching_frequency=30
 # The scheduling window defines when the entries of each timeslot are queued for play-out. The windows start at (timeslot.start - window_start) seconds
 # and ends at (timeslot.end - window.end) seconds. Its also worth noting, that timeslots can only be deleted before the start of the window.
 scheduling_window_start=60