bpo-34605: childs => children (GH-9102)

diff --git a/Lib/distutils/command/install.py b/Lib/distutils/command/install.py
index 41bf4bb..a1d1a1e 100644
--- a/Lib/distutils/command/install.py
+++ b/Lib/distutils/command/install.py
@@ -223,7 +223,7 @@
 
     def finalize_options(self):
         """Finalizes options."""
-        # This method (and its pliant childs, like 'finalize_unix()',
+        # This method (and its pliant children, like 'finalize_unix()',
         # 'finalize_other()', and 'select_scheme()') is where the default
         # installation directories for modules, extension modules, and
         # anything else we care to install from a Python module