diff --git a/pythonetc/README.md b/pythonetc/README.md
index 660cd14..1c066aa 100644
--- a/pythonetc/README.md
+++ b/pythonetc/README.md
@@ -14,7 +14,6 @@ You don't need telegram to read the channel using the link above. If neither of
 
 ## To schedule
 
-1. ./str-chain.md
 1. ./json-allow-nan.md
 1. ./sre-parse.md
 
diff --git a/pythonetc/str-chain.md b/pythonetc/str-chain.md
index 2108ec5..0358d12 100644
--- a/pythonetc/str-chain.md
+++ b/pythonetc/str-chain.md
@@ -1,3 +1,7 @@
+# `str.__getitem__` quirks
+
+Published: 6 May 2021, 18:00
+
 Since Python doesn't have a `char` type, an element of `str` is always `str`:
 
 ```python
diff --git a/rpg/bend-char.md b/rpg/bend-char.md
index 2543a25..0901128 100644
--- a/rpg/bend-char.md
+++ b/rpg/bend-char.md
@@ -34,7 +34,7 @@ Before making a skill check, you can anounce that you want to spend some of your
 
 The DM can reward luck points for good role playing. Also, some feats can give luck points for some actions. Every adventure starts with 1 luck point plus luck points rewarded between sessions, all unused ones from the previous adventure are lost.
 
-When you're under pressure and something must be done immediately (in a heat of battle), instead of 2d6 you roll one tweelve-sided die. Why all that complication? Because it gives different probabilities. See these links: [2d6](https://anydice.com/program/20) and [1d12](https://anydice.com/program/1a58).
+When you're under pressure and something must be done immediately (in a heat of battle), instead of 2d6 you roll one 12-sided die. Why all that complication? Because it gives different probabilities. See these links: [2d6](https://anydice.com/program/20) and [1d12](https://anydice.com/program/1a58).
 
 ## Attributes
 
diff --git a/rpg/bend-intro.md b/rpg/bend-intro.md
index 999c279..4ec22e3 100644
--- a/rpg/bend-intro.md
+++ b/rpg/bend-intro.md
@@ -82,7 +82,7 @@ Movies:
 RPG games:
 
 + Kids on bikes
-+ Stories from the loop
++ Tales from the loop
 + Monster of the week
 
 Books:
@@ -93,7 +93,7 @@ Books:
 Movies I haven't watched but should be in the mood for the game:
 
 + Stranger things
-+ Stories from the loop
++ Tales from the loop
 + E.T. the Extra-Terrestrial
 + The Andy Griffith Show
 
diff --git a/rpg/bend-riddles.md b/rpg/bend-riddles.md
index 5904e6c..f8a40fa 100644
--- a/rpg/bend-riddles.md
+++ b/rpg/bend-riddles.md
@@ -5,12 +5,14 @@
 + Pins of keys matching words for symbols (bat, wolf, snake, spider)
 + invisible inks on walls, floor, everywhere
 + 4 chain, should be tied together
-+ pointless leveler
++ a piece of wire is missed, the ends of the wire should be connected so electricity can be restored.
++ pointless button and countdown
 + maze, moving maze
 + display that shows a camera image of another room and has markings on it.
 + musical notes spelling a word ("dead")
 + open/close words on different languages that show which locks to rotate
   + ...
++ decode the radio frequency: 2, 5, 9, 17...
 
 ## Require a hint
 
@@ -27,9 +29,11 @@
   + blue and yellow is green
 + pieces of a bigger image, pages from a diary
 + rotate symbols based on how they are displaied on a door. Symbols are hidden somewhere in the dungeon.
++ a password is behind paintings scattered across the city homes
 
 ## Curiosities
 
 + how to scale a wall (rope?)
 + a heavily barricated door with a monster inside
 + lift that roof makes a bridge
++ keychain with a lot of keys. What do they open?