(no commit message)

diff --git a/openpower/sv/executive_summary.mdwn b/openpower/sv/executive_summary.mdwn
index 3512ffcb471cea62eb538b167b7562feb592526b..0ed50021fdcebbfbaf6488c7f1970bf6c0f15b2d 100644 (file)
--- a/openpower/sv/executive_summary.mdwn
+++ b/openpower/sv/executive_summary.mdwn
@@ -44,8 +44,9 @@ Simple-V is **not RISC-V and is not RISC-V Vectors**.
 [RVV](https://github.com/riscv/riscv-v-spec/blob/master/v-spec.adoc),
 [Simple-V](https://ftp.libre-soc.org/simple_v_spec.pdf) and
 [MRISC32](https://github.com/mrisc32/mrisc32)
-are all based on Cray-style Scalable Vectors
-of 30 years ago, hence the similarity,
+are all based on
+[Cray-style Scalable Vectors](https://en.m.wikipedia.org/wiki/Cray-1)
+of 50 years ago, hence the similarity,
 the provision of a `setvl` instruction, and why they are each called
 "Scalable" Vectors, because it is the `setvl` instruction that
 presents the **programmer** with explicit control over Vector length.