diff --git a/charter.adoc b/charter.adoc
index 333f38b..59aeb16 100644
--- a/charter.adoc
+++ b/charter.adoc
@@ -85,5 +85,5 @@ Since 2019, the SoftCPU SIG has worked to address the gaps that
 make reuse of custom extensions difficult, for a marketplace of
 extensions IP. The SIG designed a *minimum viable set* of interop
 interfaces, the
-[Draft Proposed RISC-V Composable Custom Extensions Specification](https://raw.githubusercontent.com/grayresearch/CX/main/spec/spec.pdf),
+https://raw.githubusercontent.com/grayresearch/CX/main/spec/spec.pdf[Draft Proposed RISC-V Composable Custom Extensions Specification],
 now proposed as a basis (reference) spec for CX TG.