diff --git a/docs/DeveloperGuide.md b/docs/DeveloperGuide.md
index 37846f250d3..c0758fb979c 100644
--- a/docs/DeveloperGuide.md
+++ b/docs/DeveloperGuide.md
@@ -120,7 +120,7 @@ Here's a (partial) class diagram of the `Logic` component:
 
 <img src="images/LogicClassDiagram.png" width="550"/>
 
-The sequence diagram below illustrates the interactions within the `Logic` component, taking `execute("delete 1")` API call as an example.
+The sequence diagram below illustrates the interactions within the `Logic` component, taking `execute("delete EID1234-5678")` API call as an example.
 
 ![Interactions Inside the Logic Component for the `delete EID1234-5678` Command](images/DeleteSequenceDiagram.png)
 
@@ -155,7 +155,7 @@ The `Model` component,
 * stores a `UserPref` object that represents the user’s preferences. This is exposed to the outside as a `ReadOnlyUserPref` objects.
 * does not depend on any of the other three components (as the `Model` represents data entities of the domain, they should make sense on their own without depending on other components)
 
-<div markdown="span" class="alert alert-info">:information_source: **Note:** An alternative (arguably, a more OOP) model is given below. It has a `Department` list in the `AddressBook`, which `Employee` references. This allows `AddressBook` to only require one `Department` object per unique tag, instead of each `Employee` needing their own `Department` objects.<br>
+<div markdown="span" class="alert alert-info">:information_source: **Note:** An alternative (arguably, a more OOP) model is given below. It has a `Department` list in the `AddressBook`, which `Employee` references. This allows `AddressBook` to only require one `Department` object per unique department, instead of each `Employee` needing their own `Department` objects.<br>
 
 <img src="images/BetterModelClassDiagram.png" width="550" />