wording on fields

diff --git a/openpower/sv/fields.mdwn b/openpower/sv/fields.mdwn
index d58cba968ece65107b346099af27a5b58343229b..05085e7aba558a0b8aed01a3fd4f313a434f3b41 100644 (file)
--- a/openpower/sv/fields.mdwn
+++ b/openpower/sv/fields.mdwn
@@ -1,7 +1,7 @@
 # Power ISA Fields
 
-These are in machine-readable format that may be parsed with the
-following program:
+These were originally taken from Power ISA v3.0B and are in machine-readable
+format that may be parsed with the following program:
 [power_fields.py](https://git.libre-soc.org/?p=openpower-isa.git;a=blob;f=src/openpower/decoder/power_fields.py;hb=HEAD)
 
 Some additions have been made for DRAFT Scalar instructions Forms: