[doc] manually create links to top_earlgrey and Ibex specs
diff --git a/hw/index.md b/hw/index.md
index da087c0..ad5c1c5 100644
--- a/hw/index.md
+++ b/hw/index.md
@@ -1,13 +1,16 @@
# Hardware Specifications
-## Available Top Earlgrey Specifications
+This is the landing spot for all hardware specifications within the OpenTitan project.
+This includes: top level specification(s); processor core(s) specifications; and [Comportable IP](../doc/rm/comportability_specification.md) specifications.
-{{% doctree top_earlgrey }}
+## Available Top Level Specifications
-## Available Ibex Core Specifications
+* [`top_earlgrey` design specification](top_earlgrey/doc/top_earlgrey.md)
-{{% doctree vendor/lowrisc_ibex }}
+## Available Processor Core Specifications
-## Available Comportable IP Block Specifications
+* [`core_ibex` user manual](https://ibex-core.readthedocs.io/en/latest)
+
+## Available Comportable IP Block Design Specifications and Verification Plans
{{% specboard ip }}
