Installation.md

@@ -79,5 +79,5 @@ This executable has to be named `msis20_windows.exe` for a Microsoft Windows pla
 Refer to the [Atmosphere](Atmosphere) page for more details.
 
 NOTE: The MSIS 2.0 license is extremely restrictive. 
-The PRISMA pipeline just provides an IDL interface for the execution of the model, and it is freely available.
+The PRISMA pipeline only provides an IDL interface for the execution of the model.
 Users must respect the underlying MSIS 2.0 license.
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