bpo-29709: Improve Boolean Operations documentation (#433) (#438)

(cherry picked from commit 8eb531d9db0861e14222445fcaebe1a373bba170)
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index c1cc35c..bd3a179 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -113,11 +113,11 @@
 
 (1)
    This is a short-circuit operator, so it only evaluates the second
-   argument if the first one is :const:`False`.
+   argument if the first one is false.
 
 (2)
    This is a short-circuit operator, so it only evaluates the second
-   argument if the first one is :const:`True`.
+   argument if the first one is true.
 
 (3)
    ``not`` has a lower priority than non-Boolean operators, so ``not a == b`` is