--- a/src/name/blackcap/imageprep/Misc.kt	Sun Jul 19 13:49:23 2020 -0700
+++ b/src/name/blackcap/imageprep/Misc.kt	Mon Jul 20 12:56:07 2020 -0700
@@ -233,6 +233,14 @@
         border = BorderFactory.createCompoundBorder(b, border)
 }
 
+/**
+ * Display an error dialog pertaining to an IOException.
+ *
+ * @param parent Parent component for this dialog
+ * @param file java.io.File object associated with this error
+ * @param op Operation that failed (e.g. "read", "write", etc.)
+ * @param e An IOException
+ */
 fun ioExceptionDialog(parent: Component, file: File, op: String, e: IOException) {
     val msg = e.message
     val fileName = file.getName()