#11515: fix several typos. Patch by Piotr Kasprzyk.
diff --git a/Tools/msi/msi.py b/Tools/msi/msi.py
index 1a87a40..b668c7a 100644
--- a/Tools/msi/msi.py
+++ b/Tools/msi/msi.py
@@ -174,7 +174,7 @@
 
 have_mingw = build_mingw_lib(lib_file, def_file, dll_file, mingw_lib)
 
-# Determine the target architechture
+# Determine the target architecture
 dll_path = os.path.join(srcdir, PCBUILD, dll_file)
 msilib.set_arch_from_file(dll_path)
 if msilib.pe_type(dll_path) != msilib.pe_type("msisupport.dll"):