Update _episodes/03-index-slice-subset.md

Co-Authored-By: raynamharris <[email protected]>

Author: wrightaprilm

_episodes/03-index-slice-subset.md

@@ -18,7 +18,7 @@ objectives:
 keypoints:
     - "Data can be subset using column headings, numeric ranges, operators, or specific index locations."
     - "Python uses 0-based indexing, in which the first element in a list, tuple or any other data structure has an index of 0."
-    - "Data indexing, slicing and subsetting are common steps in data wrangling and exploration."
+    - "Pandas enables common data exploration steps such as data indexing, slicing and conditional subsetting."
 
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