diff --git a/morituri/common/checksum.py b/morituri/common/checksum.py
index 9a943e1..42500dd 100644
--- a/morituri/common/checksum.py
+++ b/morituri/common/checksum.py
@@ -63,7 +63,7 @@ class ChecksumTask(log.Loggable, gstreamer.GstPipelineTask):
         self.logName = "ChecksumTask 0x%x" % id(self)
 
         # use repr/%r because path can be unicode
-        self.debug('Creating checksum task on %r from %d to %d',
+        self.debug('Creating checksum task on %r from frame %d to frame %d',
             path, frameStart, frameLength)
         if not os.path.exists(path):
             raise IndexError('%r does not exist' % path)
diff --git a/morituri/image/image.py b/morituri/image/image.py
index 788b888..25cdb47 100644
--- a/morituri/image/image.py
+++ b/morituri/image/image.py
@@ -120,7 +120,8 @@ class AccurateRipChecksumTask(log.Loggable, task.MultiSeparateTask):
         for trackIndex, track in enumerate(cue.table.tracks):
             index = track.indexes[1]
             length = cue.getTrackLength(track)
-            self.debug('track %d has length %d' % (trackIndex + 1, length))
+            self.debug('track %d is %d frames long' % (
+                trackIndex + 1, length))
 
             path = image.getRealPath(index.path)