diff --git a/journal/2020-11-01.md b/journal/2020-11-01.md
index 7c19ef8..4121630 100644
--- a/journal/2020-11-01.md
+++ b/journal/2020-11-01.md
@@ -4,6 +4,9 @@
   It's made me worry about the effects of dementia and Alzheimer's, whether I
   could contract them, and how much of an effect they would have on me. I'm
   worried about not remembering having created this garden.
+- Implemented `get` and partially implemented `put` on a `HashTableChain`. A
+  `HashTableChain` is made up of an array of linked lists, where the array
+  index corresponds to some modulo of the hashcode of the key.
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [Minecraft, but it's Everywhere At The End Of Time]: ..\minecraft-but-its-everywhere-at-the-end-of-time "Minecraft, but it's Everywhere At The End Of Time"