diff --git a/sources/qetdiagrameditor.cpp b/sources/qetdiagrameditor.cpp
index b8b12f997..5b35d843f 100644
--- a/sources/qetdiagrameditor.cpp
+++ b/sources/qetdiagrameditor.cpp
@@ -2197,25 +2197,27 @@ QMessageBox::warning(nullptr,
 					 "\n"
 					 "Requires python 3.5 or above.\n"
 					 ">> First install on Linux\n"
-					 "1. check you have pip3 installed: pip3 --version.\n"
+					 "1. check you have pip3 installed: pip3 --version\n"
 					 "If not install with: sudo apt-get install python3-pip\n"
 					 "2. Install the program: sudo pip3 install qet_tb_generator\n"
 					 "3. Run the program: qet_tb_generator\n"
 					 ">> Update on Linux\n"
-					 "sudo pip3 install --upgrade qet_tb_generator\n"
+					 "sudo pip3 install --upgrade qet_tb_generator \n"
 					 "\n"
 					 ">> First install on Windows\n"
-					 "1. Install, if required, python 3.5 or above\n"
-					 "2. pip install qet_generator\n"
+					 "1. Install, if required, python 3.5 or above \n"
+					 "2. pip install qet_tb_generator\n"
 					 ">> Update on Windows\n"
 					 "python -m pip install --upgrade qet_tb_generator\n"
-					 ">> First install on macOSX\n"
-					 "1. Install, if required, python 3.5 or above\n"
-					 "2. Install tkinter with Tcl/Tk\n"
-					 "3. Visit https://qelectrotech.org/forum/viewtopic.php?pid=5674#p5674\n"
-					 "2. pip3 install qet_generator\n"
-					 ">> Update on macOSX\n"
-					 "pip3 install --upgrade qet_tb_generator\n"
+					 ">>user could launch in a terminal this script in this directory \n"
+					 " C:\\users\\XXXX\\AppData\\Local\\Programs\\Python\\Python36-32\\Scripts \n"
+					 "\n"
+					 ">> First install on macOSX \n"
+					 "1. Install, if required, python 3.5 or above \n"
+					 " Visit https://qelectrotech.org/forum/viewtopic.php?pid=5674#p5674 \n"
+					 "2. pip3 install qet_tb_generator \n"
+					 ">> Update on macOSX \n"
+					 " pip3 install --upgrade qet_tb_generator \n"
 					 );
 }