Fix docs per review

mock/docs/site-defaults.cfg

@@ -656,7 +656,7 @@
 
 # Whether to use host's shadow-utils to provision users and groups in the
 # buildroot, which we normally want to do because host shadow-utils are
-# newer and more flexible than buildroot ones.However, there is an issue in shadow-utils
+# newer and more flexible than buildroot ones. However, there is an issue in shadow-utils
 # where even using the --prefix (or, even --root if we did it that way) option, the host
 # config will "leak" into the chroot. This is not an issue if the configs are
 # effectively the same between host and buildroot, but will cause problems if, for

mock/py/mockbuild/shadow_utils.py

@@ -18,7 +18,7 @@ def _execute_command(self, command, can_fail=False):
         with self.root.uid_manager.elevated_privileges():
             # Ordinarily we do not want to depend on shadow-utils in the bootstrap, but
             # configuring certain options (such as FreeIPA-provided subids) can make it
-            # impossible to create users in the bootstrap using host shadow-utils so we
+            # impossible to create users in the buildroot using host shadow-utils so we
             # provide this workaround.
             # Tracking upstream bug https://github.com/shadow-maint/shadow/issues/897
             if self.root.config['use_host_shadow_utils']: