diff --git a/doc/ACHIEVEMENTS.md b/doc/ACHIEVEMENTS.md
index 6daf2be94..4350a2114 100644
--- a/doc/ACHIEVEMENTS.md
+++ b/doc/ACHIEVEMENTS.md
@@ -1,8 +1,7 @@
 ## Achievements
 
-Some project achievements to unlock!
-
-> *Being a software maintainer means unending toil in mostly-obscurity, so you've got to seek out the fun where you can!*
+Some project achievements to unlock.
+Being a software maintainer means unending toil in mostly-obscurity, so you've got to seek out the fun where you can!
 <!-- https://www.reddit.com/r/haskell/comments/eddwbu/top_nonprogrammingrelated_haskell_apps -->
 
 - ~~1.0 release~~
diff --git a/doc/TODO.md b/doc/TODO.md
index 5b957d928..700da14e2 100644
--- a/doc/TODO.md
+++ b/doc/TODO.md
@@ -15,6 +15,12 @@ Related:
 - [ ] debug/fix csv `skip` <https://github.com/simonmichael/hledger/issues/2024>
 - [ ] inputs command: list input formats hledger can read
 - [ ] outputs command: list output formats each command can write
+- [ ] (L) rewrite cost docs -
+      <https://hledger.org/dev/hledger.html#cost>,
+	  <https://hledger.org/dev/hledger.html#transaction-prices>,
+      condense, clarify,
+      mention posting order sensitivity when inferring cost (cost is inferred on the last posting),
+      (related: <https://github.com/simonmichael/hledger/issues/1959>)
 
 ## Done
 Completed items from above, annotated with initials and date.