diff --git a/armengol-lorand.md b/armengol-lorand.md
index b6d81ac8d..2b6fb9b8f 100644
--- a/armengol-lorand.md
+++ b/armengol-lorand.md
@@ -8,7 +8,9 @@
     - [[apl]] is an [[implementation]]
   - [[armengol]]
     - first watched youtube video in [[palo alto]] about [[pattern languages]] in [[computing]]
-      - shifting [[scales]]
+      - shifting [[scales]] should be made without discontinuities/jumps.
+        - [[twitter]]: small scale. a [[book]]: large scale. 
+        - how to translate ideas from [[book]] to [[tweet]]?
     - [[fifteen principles]]
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
@@ -18,4 +20,7 @@
 [christopher alexander]: christopher-alexander "Christopher Alexander"
 [reading alexander]: reading-alexander "Reading Alexander"
 [armengol]: armengol "Armengol"
+[twitter]: twitter "Twitter"
+[book]: book "Book"
+[tweet]: tweet "Tweet"
 [//end]: # "Autogenerated link references"
\ No newline at end of file