diff --git a/Tools/msi/msi.py b/Tools/msi/msi.py
index a1f67b8..5679fdb 100644
--- a/Tools/msi/msi.py
+++ b/Tools/msi/msi.py
@@ -176,7 +176,7 @@
 
 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"):
diff --git a/Tools/pybench/pybench.py b/Tools/pybench/pybench.py
index 9dee731..76f1468 100755
--- a/Tools/pybench/pybench.py
+++ b/Tools/pybench/pybench.py
@@ -689,7 +689,7 @@
                 other_total_avg_time = other_total_avg_time + other_avg_time
                 if (benchmarks_compatible and
                     test.compatible(other)):
-                    # Both benchmark and tests are comparible
+                    # Both benchmark and tests are comparable
                     min_diff = ((min_time * self.warp) /
                                 (other_min_time * other.warp) - 1.0)
                     avg_diff = ((avg_time * self.warp) /
@@ -703,7 +703,7 @@
                     else:
                         avg_diff = '%+5.1f%%' % (avg_diff * PERCENT)
                 else:
-                    # Benchmark or tests are not comparible
+                    # Benchmark or tests are not comparable
                     min_diff, avg_diff = 'n/a', 'n/a'
                     tests_compatible = 0
             print '%30s: %5.0fms %5.0fms %7s %5.0fms %5.0fms %7s' % \