tweaks

Author: mluukkai

src/content/9/en/part9b.md

@@ -49,7 +49,7 @@ and setting up <i>scripts</i> within the package.json:
 }
 ```
 
-You can now use <i>ts-node</i> within this directory by running *npm run ts-node*. Note that if you are using ts-node through package.json, command-line arguments that include short or long form options for the `npm run` script need to be prefixed with *--*. So if you want to run file.ts with <i>ts-node</i> and options `-s` and `--someoption`, the whole command is:
+You can now use <i>ts-node</i> within this directory by running *npm run ts-node*. Note that if you are using ts-node through package.json, command-line arguments that include short or long form options for the _npm run script_ need to be prefixed with *--*. So if you want to run file.ts with <i>ts-node</i> and options _-s_ and _--someoption_, the whole command is:
 
 ```shell
 npm run ts-node file.ts -- -s --someoption
@@ -509,7 +509,7 @@ Write a function *calculateExercises* that calculates the average time of <i>dai
 - the calculated average time
 - boolean value describing if the target was reached
 - a rating between the numbers 1-3 that tells how well the hours are met. You can decide on the metric on your own.
-- a text value explaining the rating
+- a text value explaining the rating, you can come up with the explanations
 
 The daily exercise hours are given to the function as an [array](https://www.typescriptlang.org/docs/handbook/basic-types.html#array) that contains the number of exercise hours for each day in the training period. Eg. a week with 3 hours of training on Monday, none on Tuesday, 2 hours on Wednesday, 4.5 hours on Thursday and so on would be represented by the following array: