diff --git a/src/main/java/seedu/address/logic/commands/EditCommand.java b/src/main/java/seedu/address/logic/commands/EditCommand.java
index e59a3cdf94c..4f38d10ebd3 100644
--- a/src/main/java/seedu/address/logic/commands/EditCommand.java
+++ b/src/main/java/seedu/address/logic/commands/EditCommand.java
@@ -154,17 +154,20 @@ public static class EditPersonDescriptor {
         private Email email;
         private Address address;
 
+        /**
+         * Constructs an empty EditPersonDescriptor instance.
+         */
         public EditPersonDescriptor() {}
 
         /**
-         * Copy constructor.
+         * Constructs an EditPersonDescriptor instance with the given {@code descriptionToCopy}.
          */
-        public EditPersonDescriptor(EditPersonDescriptor toCopy) {
-            requireNonNull(toCopy);
-            setName(toCopy.name);
-            setPhone(toCopy.phone);
-            setEmail(toCopy.email);
-            setAddress(toCopy.address);
+        public EditPersonDescriptor(EditPersonDescriptor descriptionToCopy) {
+            requireNonNull(descriptionToCopy);
+            setName(descriptionToCopy.name);
+            setPhone(descriptionToCopy.phone);
+            setEmail(descriptionToCopy.email);
+            setAddress(descriptionToCopy.address);
         }
 
         /**
diff --git a/src/main/java/seedu/address/logic/commands/HelpCommand.java b/src/main/java/seedu/address/logic/commands/HelpCommand.java
index 78122b1c7f5..cc8b4f98c7e 100644
--- a/src/main/java/seedu/address/logic/commands/HelpCommand.java
+++ b/src/main/java/seedu/address/logic/commands/HelpCommand.java
@@ -3,7 +3,7 @@
 import seedu.address.model.Model;
 
 /**
- * Format full help instructions for every command for display.
+ * Formats full help instructions for every command for display.
  */
 public class HelpCommand extends Command {
 
diff --git a/src/main/java/seedu/address/logic/parser/EditCommandParser.java b/src/main/java/seedu/address/logic/parser/EditCommandParser.java
index 58725152b97..b288406d744 100644
--- a/src/main/java/seedu/address/logic/parser/EditCommandParser.java
+++ b/src/main/java/seedu/address/logic/parser/EditCommandParser.java
@@ -92,7 +92,7 @@ private EditPersonDescriptor getEditPersonDescriptor(ArgumentMultimap argMultima
     }
 
     /**
-     * Check if {@code prefixes} are present in the {@code argMultimap}.
+     * Checks if {@code prefixes} are present in the {@code argMultimap}.
      *
      * @param argMultimap that we are performing search on.
      * @param prefixes to search for.
diff --git a/src/main/java/seedu/address/model/person/Person.java b/src/main/java/seedu/address/model/person/Person.java
index 9e7421fed87..7a5ce80e972 100644
--- a/src/main/java/seedu/address/model/person/Person.java
+++ b/src/main/java/seedu/address/model/person/Person.java
@@ -37,7 +37,6 @@ public class Person {
     /**
      * Every field must be present and not null.
      */
-
     public Person(Name name, Phone phone, Email email,
                   Address address, Remark remark, Set<Tag> tags,
                   Set<Insurance> insurances, Appointment appointment, AppointmentCount count) {
@@ -59,7 +58,6 @@ public Person(Name name, Phone phone, Email email,
     /**
      * Every field must be present and not null.
      */
-
     public Person(Name name, Phone phone, Email email, Address address, Remark remark,
                   Set<Tag> tags, Set<Insurance> insurances,
                   Appointment appointment, AppointmentCount count, Priority priority) {
@@ -195,7 +193,7 @@ public static Person createPersonWithUpdatedInsurances(Person source, Collection
     }
 
     /**
-     * Creates and returns a {@code Person} with details of {@code source}, assigning priority of
+     * Creates and returns a {@code Person} with details of {@code personToUpdate}, assigning priority of
      * {@code newPriority}.
      */
     public static Person createPersonWithUpdatedPriority(Person personToUpdate, Priority newPriority) {
diff --git a/src/main/java/seedu/address/model/priority/Priority.java b/src/main/java/seedu/address/model/priority/Priority.java
index 9698c092a45..e2359e8e7f8 100644
--- a/src/main/java/seedu/address/model/priority/Priority.java
+++ b/src/main/java/seedu/address/model/priority/Priority.java
@@ -46,7 +46,7 @@ public class Priority {
             + HIGH_PRIORITY_KEYWORD + ", " + MEDIUM_PRIORITY_KEYWORD + ", " + LOW_PRIORITY_KEYWORD + ", "
             + NONE_PRIORITY_KEYWORD + " }";
 
-    private Level level;
+    private final Level level;
 
     /**
      * Constructs a {@code Priority}.
@@ -79,7 +79,7 @@ public static Level parsePriorityLevel(String priority) {
     }
 
     /**
-     * Checks if the priority given is valid.
+     * Returns true if the {@code priority} given is valid.
      *
      * @param priority to check.
      */
@@ -87,9 +87,6 @@ public static boolean isValidPriority(String priority) {
         return VALID_PRIORITY_KEYWORDS.contains(priority);
     }
 
-    /**
-     * Returns priority level.
-     */
     public Level getPriorityLevel() {
         return this.level;
     }