diff --git a/how can we develop transformative tools for thought.md b/how can we develop transformative tools for thought.md
index 276a910ab..bd8c7b182 100644
--- a/how can we develop transformative tools for thought.md	
+++ b/how can we develop transformative tools for thought.md	
@@ -9,3 +9,4 @@
     - [[seymour papert]]
     - [[ivan sutherland]]
   - [[kenneth iverson]] introduced the term [[tools for thought]] in [[notation as a tool of thought]] regarding [[APL]]
+    - … except he didn't maybe? :) he uses [[tool of thought]] instead, consistently. "for thought" doesn't appear even once in the paper.