Update docs/en/3-guides/3.3-how-to-upload-data.md

nicer docs about set

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: david-roper

docs/en/3-guides/3.3-how-to-upload-data.md

@@ -39,8 +39,14 @@ Open Data Capture allows you to visualize numeric measures over time in a single
 
 7.  **Uploading specific Zod Data**
 
-    Some forms may have certain zod field types that may cause be hard to interpret in just a regular CSV, thus certain notations for data must be used in order for the upload feature to properly parse the data.
-
-    For example: is a form takes in a set of data for one of its fields, such as a multi-option checklist with options a,b,c. The proper notation for the data would be SET(a,b), SET(a,b,c), SET(a), etc.
+    Some forms may have Zod field types that are challenging to represent in a standard CSV format. Therefore, specific notations must be used to ensure the upload feature can properly parse the data.
+
+    For example: If a form has a field that accepts a set of data, such as a multi-option checklist with options a, b, and c, the proper notation for the data would be:
+    
+    - SET(a,b)
+    - SET(a,b,c)
+    - SET(a)
+    
+    This format allows the upload feature to correctly interpret the selected options.
 
 </Steps>