missing height_in ex4.4

gxzhealth · Oct 30, 2018 · e731504 · e731504
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diff --git a/chapter4.md b/chapter4.md
@@ -208,7 +208,7 @@ skills: 2
 
 The MLB also offers to let you analyze their weight data. Again, both are available as regular Python lists: `height_in` and `weight`. `height_in` is in inches and `weight_lb` is in pounds.
 
-It's now possible to calculate the BMI of each baseball player. Python code to convert `height` to a `numpy` array with the correct units is already available in the workspace. Follow the instructions step by step and finish the game!
+It's now possible to calculate the BMI of each baseball player. Python code to convert `height_in` to a `numpy` array with the correct units is already available in the workspace. Follow the instructions step by step and finish the game!
 
 `@instructions`
 - Create a `numpy` array from the `weight_lb` list with the correct units. Multiply by `0.453592` to go from pounds to kilograms. Store the resulting `numpy` array as `np_weight_kg`.