diff --git a/README.md b/README.md
index 11d4674..a82a962 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,12 @@ mvn compile
 
 ## Release 📦
 
-See [.github/workflows/maven-release.yml](.github/workflows/maven-relevase.yml)
+See [.github/workflows/maven-release.yml](.github/workflows/maven-release.yml)
+
+> [!NOTE]
+> To perform a release, go to https://github.com/elimu-ai/model/actions/workflows/maven-release.yml, and press "Run workflow."
+
+![Run workflow](https://github.com/elimu-ai/wiki/assets/1451036/5bbfe03f-724c-4582-bc3c-411b763316db)
 
 ---
 
diff --git a/src/main/java/ai/elimu/model/v2/gson/crowdsource/AudioContributionEventGson.java b/src/main/java/ai/elimu/model/v2/gson/crowdsource/AudioContributionEventGson.java
deleted file mode 100644
index 98281e5..0000000
--- a/src/main/java/ai/elimu/model/v2/gson/crowdsource/AudioContributionEventGson.java
+++ /dev/null
@@ -1,41 +0,0 @@
-package ai.elimu.model.v2.gson.crowdsource;
-
-import ai.elimu.model.v2.gson.BaseEntityGson;
-import ai.elimu.model.v2.gson.content.AudioGson;
-import java.util.Calendar;
-
-/**
- * For documentation, see https://github.com/elimu-ai/webapp/tree/main/src/main/java/ai/elimu/model
- */
-public class AudioContributionEventGson extends BaseEntityGson {
-    
-    private AudioGson audio;
-    
-    private String comment;
-    
-    private Calendar time;
-
-    public String getComment() {
-        return comment;
-    }
-
-    public Calendar getTime() {
-        return time;
-    }
-
-    public AudioGson getAudio() {
-        return audio;
-    }
-
-    public void setComment(String comment) {
-        this.comment = comment;
-    }
-
-    public void setTime(Calendar time) {
-        this.time = time;
-    }
-
-    public void setAudio(AudioGson audio) {
-        this.audio = audio;
-    }
-}
diff --git a/src/main/java/ai/elimu/model/v2/gson/crowdsource/AudioPeerReviewEventGson.java b/src/main/java/ai/elimu/model/v2/gson/crowdsource/AudioPeerReviewEventGson.java
deleted file mode 100644
index bd3fd11..0000000
--- a/src/main/java/ai/elimu/model/v2/gson/crowdsource/AudioPeerReviewEventGson.java
+++ /dev/null
@@ -1,50 +0,0 @@
-package ai.elimu.model.v2.gson.crowdsource;
-
-import ai.elimu.model.v2.gson.BaseEntityGson;
-import java.util.Calendar;
-
-/**
- * For documentation, see https://github.com/elimu-ai/webapp/tree/main/src/main/java/ai/elimu/model
- */
-public class AudioPeerReviewEventGson extends BaseEntityGson {
-    
-    private AudioContributionEventGson audioContributionEvent;
-    
-    private Boolean approved;
-    
-    private String comment;
-    
-    private Calendar time;
-
-    public AudioContributionEventGson getAudioContributionEvent() {
-        return audioContributionEvent;
-    }
-
-    public void setAudioContributionEvent(AudioContributionEventGson audioContributionEvent) {
-        this.audioContributionEvent = audioContributionEvent;
-    }
-
-    public Boolean isApproved() {
-        return approved;
-    }
-
-    public void setApproved(Boolean approved) {
-        this.approved = approved;
-    }
-
-    public String getComment() {
-        return comment;
-    }
-
-    public void setComment(String comment) {
-        this.comment = comment;
-    }
-
-    public Calendar getTime() {
-        return time;
-    }
-
-    public void setTime(Calendar time) {
-        this.time = time;
-    }    
-}
diff --git a/src/main/java/ai/elimu/model/v2/gson/crowdsource/NumberContributionEventGson.java b/src/main/java/ai/elimu/model/v2/gson/crowdsource/NumberContributionEventGson.java
deleted file mode 100644
index 19722d6..0000000
--- a/src/main/java/ai/elimu/model/v2/gson/crowdsource/NumberContributionEventGson.java
+++ /dev/null
@@ -1,41 +0,0 @@
-package ai.elimu.model.v2.gson.crowdsource;
-
-import ai.elimu.model.v2.gson.BaseEntityGson;
-import ai.elimu.model.v2.gson.content.NumberGson;
-import java.util.Calendar;
-
-/**
- * For documentation, see https://github.com/elimu-ai/webapp/tree/main/src/main/java/ai/elimu/model
- */
-public class NumberContributionEventGson extends BaseEntityGson {
-    
-    private NumberGson number;
-    
-    private String comment;
-    
-    private Calendar time;
-
-    public NumberGson getNumber() {
-        return number;
-    }
-
-    public void setNumber(NumberGson number) {
-        this.number = number;
-    }
-
-    public String getComment() {
-        return comment;
-    }
-
-    public void setComment(String comment) {
-        this.comment = comment;
-    }
-
-    public Calendar getTime() {
-        return time;
-    }
-
-    public void setTime(Calendar time) {
-        this.time = time;
-    }
-}
diff --git a/src/main/java/ai/elimu/model/v2/gson/crowdsource/NumberPeerReviewEventGson.java b/src/main/java/ai/elimu/model/v2/gson/crowdsource/NumberPeerReviewEventGson.java
deleted file mode 100644
index d690f5a..0000000
--- a/src/main/java/ai/elimu/model/v2/gson/crowdsource/NumberPeerReviewEventGson.java
+++ /dev/null
@@ -1,50 +0,0 @@
-package ai.elimu.model.v2.gson.crowdsource;
-
-import ai.elimu.model.v2.gson.BaseEntityGson;
-import java.util.Calendar;
-
-/**
- * For documentation, see https://github.com/elimu-ai/webapp/tree/main/src/main/java/ai/elimu/model
- */
-public class NumberPeerReviewEventGson extends BaseEntityGson {
-    
-    private NumberContributionEventGson numberContributionEvent;
-    
-    private Boolean approved;
-    
-    private String comment;
-    
-    private Calendar time;
-
-    public NumberContributionEventGson getNumberContributionEvent() {
-        return numberContributionEvent;
-    }
-
-    public void setNumberContributionEvent(NumberContributionEventGson numberContributionEvent) {
-        this.numberContributionEvent = numberContributionEvent;
-    }
-
-    public Boolean isApproved() {
-        return approved;
-    }
-
-    public void setApproved(Boolean approved) {
-        this.approved = approved;
-    }
-
-    public String getComment() {
-        return comment;
-    }
-
-    public void setComment(String comment) {
-        this.comment = comment;
-    }
-
-    public Calendar getTime() {
-        return time;
-    }
-
-    public void setTime(Calendar time) {
-        this.time = time;
-    }    
-}
diff --git a/src/main/java/ai/elimu/model/v2/gson/crowdsource/WordContributionEventGson.java b/src/main/java/ai/elimu/model/v2/gson/crowdsource/WordContributionEventGson.java
deleted file mode 100644
index d32a04b..0000000
--- a/src/main/java/ai/elimu/model/v2/gson/crowdsource/WordContributionEventGson.java
+++ /dev/null
@@ -1,41 +0,0 @@
-package ai.elimu.model.v2.gson.crowdsource;
-
-import ai.elimu.model.v2.gson.BaseEntityGson;
-import ai.elimu.model.v2.gson.content.WordGson;
-import java.util.Calendar;
-
-/**
- * For documentation, see https://github.com/elimu-ai/webapp/tree/main/src/main/java/ai/elimu/model
- */
-public class WordContributionEventGson extends BaseEntityGson {
-    
-    private WordGson word;
-    
-    private String comment;
-    
-    private Calendar time;
-
-    public String getComment() {
-        return comment;
-    }
-
-    public Calendar getTime() {
-        return time;
-    }
-
-    public WordGson getWord() {
-        return word;
-    }
-
-    public void setComment(String comment) {
-        this.comment = comment;
-    }
-
-    public void setTime(Calendar time) {
-        this.time = time;
-    }
-
-    public void setWord(WordGson word) {
-        this.word = word;
-    }
-}
diff --git a/src/main/java/ai/elimu/model/v2/gson/crowdsource/WordPeerReviewEventGson.java b/src/main/java/ai/elimu/model/v2/gson/crowdsource/WordPeerReviewEventGson.java
deleted file mode 100644
index fa66dd0..0000000
--- a/src/main/java/ai/elimu/model/v2/gson/crowdsource/WordPeerReviewEventGson.java
+++ /dev/null
@@ -1,50 +0,0 @@
-package ai.elimu.model.v2.gson.crowdsource;
-
-import ai.elimu.model.v2.gson.BaseEntityGson;
-import java.util.Calendar;
-
-/**
- * For documentation, see https://github.com/elimu-ai/webapp/tree/main/src/main/java/ai/elimu/model
- */
-public class WordPeerReviewEventGson extends BaseEntityGson {
-    
-    private WordContributionEventGson wordContributionEvent;
-    
-    private Boolean approved;
-    
-    private String comment;
-    
-    private Calendar time;
-
-    public WordContributionEventGson getWordContributionEvent() {
-        return wordContributionEvent;
-    }
-
-    public void setWordContributionEvent(WordContributionEventGson wordContributionEvent) {
-        this.wordContributionEvent = wordContributionEvent;
-    }
-
-    public Boolean isApproved() {
-        return approved;
-    }
-
-    public void setApproved(Boolean approved) {
-        this.approved = approved;
-    }
-
-    public String getComment() {
-        return comment;
-    }
-
-    public void setComment(String comment) {
-        this.comment = comment;
-    }
-
-    public Calendar getTime() {
-        return time;
-    }
-
-    public void setTime(Calendar time) {
-        this.time = time;
-    }    
-}