diff --git a/manifest.json b/manifest.json
index d867baa..a46c983 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
   "id": "gamified-pkm",
   "name": "Gamificate your PKM",
-  "version": "0.0.88",
+  "version": "0.0.89",
   "minAppVersion": "0.15.0",
   "description": "Enhance your Personal Knowledge Management with gamification elements. Boost motivation and achieve growth as you engage with your PKM.",
   "author": "Andreas Trebing",
diff --git a/package-lock.json b/package-lock.json
index 4ed91ef..2c0354d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "obsidian-gamified-pkm",
-  "version": "0.0.88",
+  "version": "0.0.89",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "obsidian-gamified-pkm",
-      "version": "0.0.88",
+      "version": "0.0.89",
       "license": "MIT",
       "dependencies": {
         "crypto-js": "^4.1.1",
diff --git a/package.json b/package.json
index fa7db0a..670b59e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "obsidian-gamified-pkm",
-  "version": "0.0.88",
+  "version": "0.0.89",
   "description": "Enhance your Personal Knowledge Management with gamification elements. Boost motivation and achieve growth as you engage with your PKM.",
   "main": "main.js",
   "scripts": {
diff --git a/src/Messages.ts b/src/Messages.ts
index 2d7d3d7..c8a467e 100644
--- a/src/Messages.ts
+++ b/src/Messages.ts
@@ -16,7 +16,9 @@ I develop this plugin as a hobby, spending my free time doing this. If you find
 "0.0.89": `
 ## New
 - Introduction to Release Note showcase
-- Added automatic triggering of rate, can be enabled in settings`,
+- Added automatic triggering of rate, can be enabled in settings
+- booster factor is not going below a multiple of 5. Means, whenever you reach a multiple of 5, it's a secured milestone.
+- inform about booster factor milestone achievement`,
 "0.0.88":`
 ## Changed 
 - Support more levels, up to 200, and fix incorrect calculations
diff --git a/src/constants.ts b/src/constants.ts
index 57ef999..86292ea 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -1,5 +1,5 @@
 import { Badge } from './badges'
-export const PLUGIN_VERSION = '0.0.88';
+export const PLUGIN_VERSION = '0.0.89';
 export const pointsNoteMajurity = 100;
 export const pointsMajurity = 10;
 export const pointsForDailyChallenge = 500;
diff --git a/src/main.ts b/src/main.ts
index 2011975..b174053 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -31,12 +31,13 @@ import {
 	rateOutlinks,
 	rateProgressiveSummarization
 } from './maturitycalculation'
-import {Badge, checkIfReceiveABadge, getBadge, getBadgeDetails, getBadgeForInitLevel, getBadgeForLevel} from './badges'
+import {Badge, checkIfReceiveABadge, getBadge, getBadgeForInitLevel, getBadgeForLevel} from './badges'
 import {getLevelForPoints, statusPointsForLevel} from './levels'
 import {
 	getRandomMessagePoints,
 	getRandomMessageTwoNoteChallenge,
-	getRandomMessageWeeklyChallenge
+	getRandomMessageWeeklyChallenge,
+	getRandomMessageBoosterFactor
 } from './randomNotificationText'
 import {ModalInformationbox} from 'ModalInformationbox';
 import {ModalBooster} from 'ModalBooster';
@@ -220,12 +221,16 @@ export default class gamification extends Plugin implements GamificationMediator
 				//await this.checkForContinuouslyNoteCreation(180)
 
 				//const obsidianJustInstalled = this.settings.previousRelease === "0.0.0"
-				new ReleaseNotes(
-					this.app,
-					this,
-					//obsidianJustInstalled ? null :
-					PLUGIN_VERSION
-				).open();
+
+				// new ReleaseNotes(
+				// 	this.app,
+				// 	this,
+				// 	//obsidianJustInstalled ? null :
+				// 	PLUGIN_VERSION
+				// ).open();
+
+				//await this.decreaseStreakbooster(50);
+				await this.increaseStreakbooster(0.8);
 
 				//this.setBadgeSave(getBadgeDetails('Brainiac Trailblazer'),'23-09-07', 'level 20');
 				//this.setBadgeSave(getBadgeDetails('Savvy Scholar'), '23-08-15', 'level 15');
@@ -1011,23 +1016,43 @@ export default class gamification extends Plugin implements GamificationMediator
 
 	}
 
-	async increaseStreakbooster(increaseValue:number){
-		let newBoosterFakfor = parseFloat((this.getSettingNumber('streakbooster') + increaseValue).toFixed(1));
-		if(newBoosterFakfor > 80){
-			newBoosterFakfor = 80;
+	async increaseStreakbooster(increaseValue: number) {
+		const oldBoosterFactor = this.getSettingNumber('streakbooster');
+		let newBoosterFactor = parseFloat((oldBoosterFactor + increaseValue).toFixed(1));
+
+		if (newBoosterFactor > 80) {
+			newBoosterFactor = 80;
 		}
-		if(debugLogs) console.debug(`newBoosterFakfor: ${newBoosterFakfor}`)
-		//if(debugLogs) console.debug(`old value streakbooster: ${this.getSettingNumber('streakbooster')}`)
-		this.setSettingNumber('streakbooster', newBoosterFakfor);
-		this.setSettingBoolean('streakboosterDate', true);
-		//if(debugLogs) console.debug(`new value streakbooster: ${this.getSettingNumber('streakbooster')}`)
-		//await this.saveData(this.settings)
-		//if(debugLogs) console.debug(`streakbooster: ${this.getSettingNumber('streakbooster')}`)
+
+		// Send message if newBoosterFactor crosses a multiple of 5
+		const oldIntegerPart = Math.floor(oldBoosterFactor);
+		const newIntegerPart = Math.floor(newBoosterFactor);
+		if (oldBoosterFactor <= 80 && newBoosterFactor <= 80 && newBoosterFactor > oldBoosterFactor &&
+			newIntegerPart !== oldIntegerPart && newIntegerPart % 5 === 0) {
+			new Notice(getRandomMessageBoosterFactor(),this.getSettingNumber('timeShowNotice') * 1000 * 1.2)
+			console.log(`${getRandomMessageBoosterFactor()} : ${newBoosterFactor}`)
 		}
 
+		if (debugLogs) console.debug(`newBoosterFakfor: ${newBoosterFactor}`);
+
+		this.setSettingNumber('streakbooster', newBoosterFactor);
+		this.setSettingBoolean('streakboosterDate', true);
+	}
+
+
 
 	async decreaseStreakbooster(decreaseValue:number){
-		let newBoosterFakfor = parseFloat((this.getSettingNumber('streakbooster') - decreaseValue * streakboosterDecrease).toFixed(1))
+		//let newBoosterFakfor = parseFloat((this.getSettingNumber('streakbooster') - decreaseValue * streakboosterDecrease).toFixed(1))
+		const currentValue = this.getSettingNumber('streakbooster');
+		let newBoosterFakfor;
+		if (streakboosterDecrease >= currentValue % 5) {
+			// If streakboosterDecrease is greater than or equal to the difference to the next multiple of 5
+			newBoosterFakfor = Math.floor(currentValue / 5) * 5; // Round down to the nearest multiple of 5
+		} else {
+			// If streakboosterDecrease is smaller than the difference to the next multiple of 5
+			newBoosterFakfor = currentValue - (currentValue % 5 - streakboosterDecrease); // Subtract the difference
+		}
+
 		this.setSettingNumber('streakbooster', newBoosterFakfor)
 		if (newBoosterFakfor < 0){
 			newBoosterFakfor = 0
diff --git a/src/randomNotificationText.ts b/src/randomNotificationText.ts
index eeff6aa..b14a445 100644
--- a/src/randomNotificationText.ts
+++ b/src/randomNotificationText.ts
@@ -162,6 +162,58 @@ const randomPointNotices: string[] = [
 	"Well deserved! [X] points earned!"
 ];
 
+const boosterFactorMessage : string[] = [
+	"Boom! You just hit a new Boosterfactor milestone! High five, booster pro!",
+	"Boosting it up! High five for reaching that Boosterfactor benchmark!",
+	"Way to amplify your game! High five for hitting that Boosterfactor goal!",
+	"You're turbocharging your progress! High five for achieving that Boosterfactor milestone!",
+	"Bam! Another Boosterfactor milestone smashed! High five, booster champion!",
+	"You're on turbo mode! High five for maximizing your Boosterfactor!",
+	"High five alert! You just boosted your way to a new milestone!",
+	"You're officially a booster master! High five for your unstoppable Boosterfactor streak!",
+	"Nailed it! High five for reaching another Boosterfactor milestone!",
+	"Woo hoo! High five for leveling up your Boosterfactor game!",
+	"On a boost spree! High five for maximizing your Boosterfactor!",
+	"High fives all around for reaching that Boosterfactor milestone!",
+	"Look at you go! High five for turbocharging your Boosterfactor!",
+	"You're making waves with your Boosterfactor! High five for the milestone!",
+	"High five incoming! You're a Boosterfactor maestro!",
+	"Keep 'em coming! High five for reaching another Boosterfactor milestone!",
+	"Bravo! High five for your stellar Boosterfactor progress!",
+	"High fives galore for hitting that Boosterfactor milestone!",
+	"You're unstoppable! High five for your Boosterfactor mayhem!",
+	"Kaboom! High five for blowing past that Boosterfactor milestone!",
+	"Way to hustle with your Boosterfactor! High five, booster hustler!",
+	"High five vibes for boosting your way to that milestone!",
+	"Bringing the heat with your Boosterfactor! High five for the milestone heatwave!",
+	"You're a Boosterfactor machine! High five, keep it up!",
+	"High fives incoming! You're a Boosterfactor mastermind!",
+	"Boosting like a boss! High five, booster superstar!",
+	"Look out, world! High five for your Boosterfactor domination!",
+	"High fives on repeat! You're a Boosterfactor magician!",
+	"Impressive stuff! High five for your Boosterfactor magic!",
+	"You're unstoppable! High five for your Boosterfactor momentum!",
+	"Keep the boost alive! High five for your Boosterfactor mojo!",
+	"High fives are in order! You're a Boosterfactor ninja!",
+	"Mission accomplished! High five for reaching that Boosterfactor milestone!",
+	"You're on a boost roll! High five for your Boosterfactor rampage!",
+	"High five alert! You're a Boosterfactor rockstar!",
+	"Two thumbs up! High five for your Boosterfactor success!",
+	"You're boosting it! High five for your Boosterfactor spree!",
+	"High fives incoming! You're a Boosterfactor sensation!",
+	"You're a Boosterfactor superhero! High five, booster caped crusader!",
+	"High five vibes! You're a Boosterfactor sensation!",
+	"You're a Boosterfactor legend! High five, oh mighty booster!",
+	"High fives all around! You're a Boosterfactor superstar!",
+	"You're a Boosterfactor champion! High five, boost conqueror!",
+	"High five incoming! You're a Boosterfactor warrior!",
+	"You're on fire with your Boosterfactor! High five for the victory!",
+	"You're a Boosterfactor guru! High five, wise booster!",
+	"High five vibes! You're a Boosterfactor wizard!",
+	"You're a Boosterfactor icon! High five, illustrious booster!",
+	"High five alert! You're a Boosterfactor prodigy!",
+	"You're unstoppable! High five for your Boosterfactor triumph!"
+]
 
 export function getRandomMessageWeeklyChallenge(points: number): string {
 	const randomIndex = Math.floor(Math.random() * messagesWeeklyChallenge.length);
@@ -183,6 +235,11 @@ export function getRandomMessagePoints(points: number): string {
 	return message.replace("[X]", points.toString());
 }
 
+export function getRandomMessageBoosterFactor(): string {
+	const randomIndex = Math.floor(Math.random() * boosterFactorMessage.length);
+	return boosterFactorMessage[randomIndex];
+}
+
 // Example usage
 // const randomPoints = 100; // Replace with your actual points value
 // const randomMessage = getRandomMessageWeeklyChallenge(randomPoints);