diff --git a/journals/2023_04_17.md b/journals/2023_04_17.md
index a2fcecc3..6b1de198 100644
--- a/journals/2023_04_17.md
+++ b/journals/2023_04_17.md
@@ -6,6 +6,12 @@
 			- Hello without firstname is rude to one person
 			- HELLO only to multiple recipients
 		- HELLO EVERYONE/guys
+		- **
+			- **Dear** **Ms/Mr** Wyrwa, (very formal: Mr/Ms + surname)
+			- **Dear ****S****ir or ****M****adam,  **
+			- **D**ear **S**onja, (more formal)
+			- **Hello** (formal&informal)
+		- **
 - Halbmarahthon Vorbereitungszeit
 	- https://www.datasport.com/de/wissenswertes/halbmarathon-5-wochen/
 		- ## WOCHE 5 VOR DEM HALBMARATHON