feedback implementation 2

product_docs/docs/migration_portal/4/known_issues_notes.mdx

@@ -249,7 +249,7 @@ While using the Oracle default case, you may experience a lower compatibility ra
 
 The EDB DDL Extractor displays the error “ORA-01555: snapshot too old“ at runtime when the database server generates a volume of transactions that cannot be properly processed by the UNDO tablespace.
 
-When the database server generates undo transactions at a high rate, it can cause the server to run out of space to store undo data. Since the UNDO tablespace is implemented as a circular buffer, it starts overwriting older undo data blocks. Resolve this error and rerun the EDB DDL Extractor to ensure the DDL file contains all schema-related information.
+When the database server generates undo transactions at a high rate, it can cause the server to run out of space to store undo data. Since the UNDO tablespace is implemented as a circular buffer, it starts overwriting older undo data blocks. Resolve this error and rerun the EDB DDL Extractor to ensure you extract the DDLs without any errors.
 
 To work around this error, increase the allocated space for the UNDO_RETENTION parameter.
 
@@ -283,7 +283,7 @@ Next, determine the number of MB your environment requires and increase the allo
     ```
 
     !!!note 
-    The value reflects the number of undo blocks consumed during a 10-minute interval.
+    The value reflects the number of undo blocks consumed during a 10-minute interval, then converted into MB.
     !!!
 
 1.  Calculate the total number of MB your environment requires for the UNDO tablespace. For example, if the transaction volume generates X MB of undo data per minute, and the requirement is to retain the data for Y minutes: