diff --git a/docs/DeveloperGuide.md b/docs/DeveloperGuide.md
index 451a7de0222..9044c39cc3d 100644
--- a/docs/DeveloperGuide.md
+++ b/docs/DeveloperGuide.md
@@ -184,7 +184,7 @@ The below sequence diagram goes into more detail on how the command is parsed in
 
 The below activity diagram illustrates the process when a user executes a edit command.
 
-<img src="images/EditActivityDiagram.png" width="250" />
+<img src="images/EditActivityDiagram.png" width="740" />
 
 #### Why edit is implemented this way
 
@@ -222,7 +222,7 @@ The below sequence diagram goes into more detail on how the command is parsed in
 
 The below activity diagram illustrates the process when a user executes a find command.
 
-<img src="images/FindActivityDiagram.png" width="250" />
+<img src="images/FindActivityDiagram.png" width="450" />
 
 #### Why find is implemented this way
 
@@ -298,7 +298,7 @@ The sequence diagram for executing a **"sort n/"** is shown below:
 
 The following activity diagram summarizes what happens when a user executes a new sort command:
 
-<img src="images/SortActivityDiagram.png" width="450" />
+<img src="images/SortActivityDiagram.png" width="600" />
 
 #### Why sort is implemented this way