diff --git a/Makefile b/Makefile
index d3d3ce7..de5e0b0 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ ASCIIDOCTOR = asciidoctor
 PLATFORM_SPEC = riscv-platform-spec
 PANDOC = pandoc
 PARTS = changelog.adoc contributors.adoc introduction.adoc licensing.adoc \
-	supervisor-level.adoc user-level.adoc
+	profiles.adoc supervisor-level.adoc user-level.adoc
 
 # Build the platform spec in several formats
 all: $(PLATFORM_SPEC).md $(PLATFORM_SPEC).pdf $(PLATFORM_SPEC).html
diff --git a/profiles.adoc b/profiles.adoc
new file mode 100644
index 0000000..daae58a
--- /dev/null
+++ b/profiles.adoc
@@ -0,0 +1,13 @@
+// SPDX-License-Indentifer: CC-BY-4.0
+//
+// profiles.adoc: original Profiles content
+//
+// This is material from the very first draft of the spec.
+//
+
+## Profiles
+
+### Portable UNIX Platform Profile
+
+* Supervisor-mode environments must implement RV64GC.
+
diff --git a/riscv-platform-spec.adoc b/riscv-platform-spec.adoc
index da43234..e223e65 100644
--- a/riscv-platform-spec.adoc
+++ b/riscv-platform-spec.adoc
@@ -33,13 +33,11 @@ include::user-level.adoc[]
 include::supervisor-level.adoc[]
 
 // Machine-Level Platform (NB: content from very first version)
+// This is the only line in that original content.
 ## Machine-Level Platform
 
-## Profiles
-
-### Portable UNIX Platform Profile
-
-* Supervisor-mode environments must implement RV64GC.
+// Profiles: (NB: content from very first version)
+include::profiles.adoc[]
 
 // acknowledge all of the contributors
 include::contributors.adoc[]