bpo-38237: Shorter docstring (GH-16322) (GH-16323)

(cherry picked from commit b104ecbbafc14f9ca0c8371963c45dca893f6b75)

Co-authored-by: Raymond Hettinger <rhettinger@users.noreply.github.com>
diff --git a/Python/clinic/bltinmodule.c.h b/Python/clinic/bltinmodule.c.h
index f6c5b7c..d15af1f 100644
--- a/Python/clinic/bltinmodule.c.h
+++ b/Python/clinic/bltinmodule.c.h
@@ -611,7 +611,7 @@
 "pow($module, /, base, exp, mod=None)\n"
 "--\n"
 "\n"
-"Equivalent to base**exp (with two arguments) or base**exp % mod (with three arguments)\n"
+"Equivalent to base**exp with 2 arguments or base**exp % mod with 3 arguments\n"
 "\n"
 "Some types, such as ints, are able to use a more efficient algorithm when\n"
 "invoked using the three argument form.");
@@ -855,4 +855,4 @@
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=1e2a6185e05ecd11 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=29686a89b739d600 input=a9049054013a1b77]*/