diff --git a/src/design-noodling.txt b/doc/hist-design-noodling.txt
similarity index 93%
rename from src/design-noodling.txt
rename to doc/hist-design-noodling.txt
index 089a9a2..f2d2e26 100644
--- a/src/design-noodling.txt
+++ b/doc/hist-design-noodling.txt
@@ -1,3 +1,5 @@
+(this no longer applies and is mostly for historical relevance only)
+
 general