Fix random typos while replacing libredirect with libredirect.hook (#385607)

nixos/tests/nscd.nix

@@ -4,7 +4,7 @@ import ./make-test-python.nix (
     # build a getent that itself doesn't see anything in /etc/hosts and
     # /etc/nsswitch.conf, by using libredirect to steer its own requests to
     # /dev/null.
-    # This means is /has/ to go via nscd to actuallly resolve any of the
+    # This means is /has/ to go via nscd to actually resolve any of the
     # additionally configured hosts.
     getent' = pkgs.writeScript "getent-without-etc-hosts" ''
       export NIX_REDIRECTS=/etc/hosts=/dev/null:/etc/nsswitch.conf=/dev/null

pkgs/by-name/li/libredirect/package.nix

@@ -95,7 +95,7 @@ else
 
       ''
       + lib.optionalString (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64) ''
-        # dylib will be rejected unless dylib rpath gets explictly set
+        # dylib will be rejected unless dylib rpath gets explicitly set
         install_name_tool \
           -change $libName $out/lib/$libName \
           $out/lib/$libName