diff --git a/projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Games.java b/projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Games.java
index f0b095e..635649d 100644
--- a/projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Games.java
+++ b/projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Games.java
@@ -1988,6 +1988,11 @@ public class Games {
 		return result.substring(0, result.length() - 2);
 	}
 
+	/**
+	 * Checks if the game is CERO A.
+	 * 
+	 * @return Prints all the CERO A games.
+	 */
 	public String checkCeroA() {
 		String result = "";
 		String query = "SELECT Game_Name, Game_CERO_Rating FROM Games";
@@ -2017,6 +2022,11 @@ public class Games {
 		return result.substring(0, result.length() - 2);
 	}
 
+	/**
+	 * Checks if the game is CERO B.
+	 * 
+	 * @return Prints all the CERO B games.
+	 */
 	public String checkCeroB() {
 		String result = "";
 		String query = "SELECT Game_Name, Game_CERO_Rating FROM Games";
@@ -2046,6 +2056,11 @@ public class Games {
 		return result.substring(0, result.length() - 2);
 	}
 
+	/**
+	 * Checks if the game is CERO C.
+	 * 
+	 * @return Prints all the CERO C games.
+	 */
 	public String checkCeroC() {
 		String result = "";
 		String query = "SELECT Game_Name, Game_CERO_Rating FROM Games";
@@ -2075,6 +2090,11 @@ public class Games {
 		return result.substring(0, result.length() - 2);
 	}
 
+	/**
+	 * Checks if the game is CERO D.
+	 * 
+	 * @return Prints all the CERO D games.
+	 */
 	public String checkCeroD() {
 		String result = "";
 		String query = "SELECT Game_Name, Game_CERO_Rating FROM Games";
@@ -2104,6 +2124,11 @@ public class Games {
 		return result.substring(0, result.length() - 2);
 	}
 
+	/**
+	 * Checks if the game is CERO Z.
+	 * 
+	 * @return Prints all the CERO Z games.
+	 */
 	public String checkCeroZ() {
 		String result = "";
 		String query = "SELECT Game_Name, Game_CERO_Rating FROM Games";