fix

ex/theme-06-colours/practice-01.md

@@ -4,7 +4,7 @@ Source style: matching, spelling, and choosing.
 
 ### Exercise 1. Match
 
-Example: 1 -> b
+Example: red -> 🍓
 
 1. red
 2. blue
@@ -30,7 +30,7 @@ Example: r e _ -> red
 
 ### Exercise 3. Choose the correct colour
 
-Example: Look at the task and write the answer.
+Example: The sun is yellow / black. -> yellow
 
 1. The sun is yellow / black.
 2. Grass is green / purple.