diff --git a/doc/riscv-crypto-spec.tex b/doc/riscv-crypto-spec.tex
index 0956db26..d8b50ec1 100644
--- a/doc/riscv-crypto-spec.tex
+++ b/doc/riscv-crypto-spec.tex
@@ -49,9 +49,9 @@ \section{Scalar Extension}
 \import{./tex/}{sec-scalar.tex}
 
 \newpage
-\section{Random Bit Generation extension}
+\section{Entropy Source Extension}
 \label{sec:randombit}
-\import{./tex/}{sec-randombit.tex}
+\import{./tex/}{sec-entropy-source.tex}
 
 % ============================================================================
 
diff --git a/doc/tex/sec-entropy-source.tex b/doc/tex/sec-entropy-source.tex
new file mode 100644
index 00000000..1e55fcee
--- /dev/null
+++ b/doc/tex/sec-entropy-source.tex
@@ -0,0 +1,7 @@
+
+\note{
+    This section is a work in progress.
+    For discussions on this functionality, please see
+    \url{https://github.com/scarv/riscv-crypto/blob/dev/getentropy/doc/supp/getentropy.adoc}
+}
+
diff --git a/doc/tex/sec-randombit.tex b/doc/tex/sec-randombit.tex
deleted file mode 100644
index eafe6350..00000000
--- a/doc/tex/sec-randombit.tex
+++ /dev/null
@@ -1,3 +0,0 @@
-
-\todo{Random bit generator details}
-