1 files changed, 5 insertions, 0 deletions
diff --git a/src/pmt.h b/src/pmt.h
index b6a0359..6be3905 100644
--- a/src/pmt.h
+++ b/src/pmt.h
@@ -1,6 +1,11 @@
 #ifndef PMT_H
 #define PMT_H
 
+/* FIXME: The OWL PMTs normal vector isn't defined in pmt.txt!
+ *
+ * I'm not sure why, but for now we shouldn't use the OWL tubes in the
+ * likelihood calculation. */
+
 #define MAX_PMTS 10000
 /* Radius of the PMT concentrator (cm). */
 #define PMT_RADIUS 13.5