diff --git a/doc/DeveloperGuide.md b/doc/DeveloperGuide.md
index e2e96b60a..c82c3afb9 100644
--- a/doc/DeveloperGuide.md
+++ b/doc/DeveloperGuide.md
@@ -45,7 +45,7 @@ Priority | As a ... | I want to ... | So that I can...
`* * *` | user | add a new person |
`* * *` | user | delete a person | remove entries that I no longer need
`* * *` | user | find a person by name | locate details of persons without having to go through the entire list
-`* *` | user | hide [private contact details](#private-contact-detail) by default | to minimize chance of someone else seeing them by accident
+`* *` | user | hide [private contact details](#private-contact-detail) by default | minimize chance of someone else seeing them by accident
`*` | user with many persons in the address book | sort persons by name | locate a person easily
diff --git a/doc/LearningOutcomes.md b/doc/LearningOutcomes.md
index d56a563ae..88ac9be37 100644
--- a/doc/LearningOutcomes.md
+++ b/doc/LearningOutcomes.md
@@ -25,9 +25,10 @@ After studying this code and completing the corresponding exercises, you should
## Utilize use cases `[LO-UseCases]`
-#### Exercise: Add an 'Edit tag' use case
-* Add a use case to the `DeveloperGuide.md` to cover the case of editing an existing tag.
- e.g. change tag `friends` to `buddies`
+#### Exercise: Add a 'Rename tag' use case
+* Add a use case to the `DeveloperGuide.md` to cover the case of *renaming of an existing tag*.
+ e.g. rename the tag `friends` to `buddies` (i.e. all persons who had the `friends` tag will now have
+ a `buddies` tag instead)
Assume that AddressBook confirms the change with the user before carrying out the operation.
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