diff --git a/Notes/01_Introduction/02_Hello_world.md b/Notes/01_Introduction/02_Hello_world.md
index f2889cf..444b2d8 100644
--- a/Notes/01_Introduction/02_Hello_world.md
+++ b/Notes/01_Introduction/02_Hello_world.md
@@ -203,7 +203,7 @@ is associated with the value on the right hand side, not name of the variable.
 
 ```python
 height = 442           # An integer
-height = 442           # Floating point
+height = 442.0         # Floating point
 height = 'Really tall' # A string
 ```