diff --git a/docs/design-evolution-log.md b/docs/design-evolution-log.md
index b6fcea9..cd690ce 100644
--- a/docs/design-evolution-log.md
+++ b/docs/design-evolution-log.md
@@ -2,9 +2,12 @@
 
 A chronological record of why significant design decisions were made. This is NOT a changelog. It records the product's evolution of thinking.
 
+This document records discoveries, not decisions. Every entry represents our best understanding at that point in time and may later be superseded by a better model.
+
 ---
 
 ## Phase 1
+
 Simple conversational investigation
 
 Question → Answer interaction.
@@ -18,6 +21,7 @@ Conversation alone does not provide sufficient context during longer investigati
 ---
 
 ## Phase 2
+
 Persistent investigation notebook
 
 Added:
@@ -32,6 +36,7 @@ Users need persistent context rather than remembering previous answers.
 ---
 
 ## Phase 3
+
 Document workspace
 
 Created a coherent workspace with:
@@ -50,6 +55,7 @@ The interface became usable but still behaved like a document rather than a work
 ---
 
 ## Phase 4 (Current Exploration)
+
 Facilitated Investigation Workshop
 
 Status:
@@ -89,4 +95,15 @@ The engine facilitates thinking.
 
 The user contributes evidence.
 
-The workspace captures shared understanding.
\ No newline at end of file
+The workspace captures shared understanding.
+
+## Current Open Questions
+
+The following are active explorations rather than decisions.
+
+- What is the right metaphor for the product?
+- Should the workspace resemble a facilitated workshop?
+- How should decomposition be represented?
+- What information belongs in shared understanding?
+- What should the Investigation Map eventually become?
+- How should wide thinking be reflected in the interface?