Update README.md

Author: josemoracard

exercises/13.3-Filter_list_strings/README.md

@@ -1,14 +1,14 @@
 # `13.3` Filter list string
 
-## 📝Instructions:
+## 📝 Instructions:
 
-1. Given a list of names called `names` please create a function that filters the list with only the names that contain the given string.
+1. Given a list of `names` please create a function that filters the list with only the names that contain the given string.
 
 2. The given string is `'am'`
 
 3. The search should NOT be Case Sensitive.
 
-## Expected result:
+## 💻 Expected result:
 
 ```py
 ['Liam', 'William', 'James', 'Benjamin', 'Samuel', 'Camila']