diff --git a/courses/fundamentals_of_ada/labs/solar_system/00_getting_started/instructions.rst b/courses/fundamentals_of_ada/labs/solar_system/00_getting_started/instructions.rst
index 1549366a9..228d084b2 100644
--- a/courses/fundamentals_of_ada/labs/solar_system/00_getting_started/instructions.rst
+++ b/courses/fundamentals_of_ada/labs/solar_system/00_getting_started/instructions.rst
@@ -34,7 +34,7 @@ Question 2
 During the training, we will use GNAT Studio, AdaCore’s integrated development
 environment. You can run it to open the simple project via:
 
-:code:`gps –Psimple`
+:code:`gnatstudio –Psimple`
 
 After that, you can use the “Build and Run” action, that is accessible via the play
 icon in the main toolbar, to automate what we did in part 1. It will rebuild
diff --git a/courses/fundamentals_of_ada/labs/solar_system/start_windows_x86-64.bat b/courses/fundamentals_of_ada/labs/solar_system/start_windows_x86-64.bat
index 126e906d9..cb18e3f0c 100644
--- a/courses/fundamentals_of_ada/labs/solar_system/start_windows_x86-64.bat
+++ b/courses/fundamentals_of_ada/labs/solar_system/start_windows_x86-64.bat
@@ -4,7 +4,7 @@ set PATH=%INSTALL%\gnat-community-2019-x86_64-windows\bin;%PATH%
 set PATH=%LOCAL%\libs64;%PATH%
 set ADA_PROJECT_PATH=%LOCAL%\game_support;%LOCAL%\gnat_sdl;
 set LIBRARY_PATH=%LOCAL%\libs64;%LIBRARY_PATH%
-set GPS_HOME=%LOCAL%
+set GNAT_STUDIO_HOME=%LOCAL%
 set HOST=Windows
 @echo off
 echo -
@@ -15,7 +15,7 @@ echo ** 64 bits environment ready  **
 echo **                            **
 echo ********************************
 echo - 
-echo -  run gps from this console
+echo -  run GNAT Studio from this console
 echo - 
 echo -
 start "" "gnatstudio"