Issue #16714: use 'raise' exceptions, don't 'throw'.

Patch by Serhiy Storchaka.
diff --git a/Tools/scripts/find_recursionlimit.py b/Tools/scripts/find_recursionlimit.py
index c42de7f..1171146 100755
--- a/Tools/scripts/find_recursionlimit.py
+++ b/Tools/scripts/find_recursionlimit.py
@@ -92,7 +92,7 @@
 def test_compiler_recursion():
     # The compiler uses a scaling factor to support additional levels
     # of recursion. This is a sanity check of that scaling to ensure
-    # it still throws RuntimeError even at higher recursion limits
+    # it still raises RuntimeError even at higher recursion limits
     compile("()" * (10 * sys.getrecursionlimit()), "<single>", "single")
 
 def check_limit(n, test_func_name):
diff --git a/Tools/scripts/serve.py b/Tools/scripts/serve.py
index 89b3d62..68c25f0 100755
--- a/Tools/scripts/serve.py
+++ b/Tools/scripts/serve.py
@@ -2,7 +2,7 @@
 '''
 Small wsgiref based web server. Takes a path to serve from and an
 optional port number (defaults to 8000), then tries to serve files.
-Mime types are guessed from the file names, 404 errors are thrown
+Mime types are guessed from the file names, 404 errors are raised
 if the file is not found. Used for the make serve target in Doc.
 '''
 import sys