Note that "Unicode" is always capitalized.
diff --git a/Doc/doc/doc.tex b/Doc/doc/doc.tex
index 2ce3857..55f93b4 100644
--- a/Doc/doc/doc.tex
+++ b/Doc/doc/doc.tex
@@ -882,6 +882,10 @@
     \item[Python]
 	The name of our favorite programming language is always
 	capitalized.
+
+    \item[Unicode]
+	The name of a character set and matching encoding.  This is
+        always written capitalized.
   \end{description}