Updated to include Aleksandar's editorial changes; mostly python to Python

in the comments.

demos/python/demo_script.ps1

@@ -1,7 +1,7 @@
 #
 # Demo simple interoperation between PowerShell and Python
 
-# Basic execution of a python script fragment
+# Basic execution of a Python script fragment
 python -c "print('Hi!')"
 
 # Capture output in a variable
@@ -13,7 +13,7 @@ $data
 # Use in expressions
 5 + (python -c "print(2 + 3)") + 7
 
-# Create a python script using a PowerShell here-string, no extension
+# Create a Python script using a PowerShell here-string, no extension
 @"
 #!/usr/bin/python3
 print('Hi!')
@@ -25,7 +25,7 @@ chmod +x hi
 # Run it - shows that PowerShell really is a shell
 ./hi
 
-# A mode complex script that outputs JSON
+# A more complex script that outputs JSON
 cat class1.py
 
 # Run the script
@@ -49,7 +49,7 @@ cat class1.ps1
 # And run it, treating the output as structured data.
 (./class1)[1].buz[1]
 
-# Finally a PowerShell script with in-line python
+# Finally a PowerShell script with in-line Python
 cat inline_python.ps1
 
 # and run it