Index: trunk/psModules/src/camera/pmFPARead.c
===================================================================
--- trunk/psModules/src/camera/pmFPARead.c	(revision 7604)
+++ trunk/psModules/src/camera/pmFPARead.c	(revision 7715)
@@ -159,5 +159,6 @@
 //
 // Note that this doesn't put pixels in the HDU.  It is therefore NOT COMPATIBLE with pmCellWrite,
-// pmChipWrite, and pmFPAWrite.  Use pmReadoutWriteNext to write the data that's read by this function.
+// pmChipWrite, and pmFPAWrite (or any function that uses or creates an HDU for that matter).
+// Use pmReadoutWriteNext to write the data that's read by this function.
 bool pmReadoutReadNext(pmReadout *readout, // Readout into which to read
                        psFits *fits,    // FITS file from which to read
