diff --git a/0004-algebraic-data-types/Algebraic Data Types.playground/contents.xcplayground b/0004-algebraic-data-types/Algebraic Data Types.playground/contents.xcplayground
index d9700c2a..5ae6818d 100644
--- a/0004-algebraic-data-types/Algebraic Data Types.playground/contents.xcplayground	
+++ b/0004-algebraic-data-types/Algebraic Data Types.playground/contents.xcplayground	
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='6.0' target-platform='macos'>
+<playground version='6.0' target-platform='macos' display-mode='rendered'>
     <pages>
         <page name='01-Episode'/>
         <page name='02-Exercises'/>
diff --git a/0008-getters-and-key-paths/Getters and Key Paths.playground/contents.xcplayground b/0008-getters-and-key-paths/Getters and Key Paths.playground/contents.xcplayground
index 3f1fc6f1..5ae6818d 100644
--- a/0008-getters-and-key-paths/Getters and Key Paths.playground/contents.xcplayground	
+++ b/0008-getters-and-key-paths/Getters and Key Paths.playground/contents.xcplayground	
@@ -4,4 +4,4 @@
         <page name='01-Episode'/>
         <page name='02-Exercises'/>
     </pages>
-</playground>
+</playground>
\ No newline at end of file
diff --git a/0009-algebraic-data-types-pt-2/Exponentials.playground/Pages/02-Exercises.xcplaygroundpage/Contents.swift b/0009-algebraic-data-types-pt-2/Exponentials.playground/Pages/02-Exercises.xcplaygroundpage/Contents.swift
index 962aa490..a4b88452 100644
--- a/0009-algebraic-data-types-pt-2/Exponentials.playground/Pages/02-Exercises.xcplaygroundpage/Contents.swift
+++ b/0009-algebraic-data-types-pt-2/Exponentials.playground/Pages/02-Exercises.xcplaygroundpage/Contents.swift
@@ -1,5 +1,5 @@
 /*:
- # Algebraic Data Type: Exponents, Exercises
+ # Algebraic Data Types: Exponents, Exercises
 
  1. Explore the equivalence of `1^a = a`.
  */
diff --git a/0010-a-tale-of-two-flat-maps/FilterMap.playground/Pages/02-Exercises.xcplaygroundpage/Contents.swift b/0010-a-tale-of-two-flat-maps/FilterMap.playground/Pages/02-Exercises.xcplaygroundpage/Contents.swift
index d2f4c45a..a9917e54 100644
--- a/0010-a-tale-of-two-flat-maps/FilterMap.playground/Pages/02-Exercises.xcplaygroundpage/Contents.swift
+++ b/0010-a-tale-of-two-flat-maps/FilterMap.playground/Pages/02-Exercises.xcplaygroundpage/Contents.swift
@@ -1,5 +1,5 @@
 /*:
- # Algebraic Data Type: Exponents, Exercises
+ # A Tale of Two Flat-Maps, Exercises
 
  1. Define `filtered` as a function from `[A?]` to `[A]`.
  */