diff --git a/configs/mirtoo/README.txt b/configs/mirtoo/README.txt
index 7867dad3f6..a2f8296a29 100644
--- a/configs/mirtoo/README.txt
+++ b/configs/mirtoo/README.txt
@@ -867,9 +867,11 @@ Where <subdir> is one of the following:
        CONFIG_NSH_DISABLE_WGET=y
 
      NOTES:  (1) It takes many seconds to boot the sytem using the NXFFS
-     file system because the entire FLASH must be verified on power up.
-     (2) FAT does not have this delay and this configuration can be
-     modified to use the (larger) FAT file system as described below:
+     file system because the entire FLASH must be verified on power up
+     (a probably several minutes the first time that NXFFS comes up and
+     had to format the file system). (2) FAT does not have these delays
+     and this configuration can be modified to use the (larger) FAT file
+     system as described below:
 
   fat:
      There is no FAT configuration, but the nxffx configuration can be used