bpo-35167: Specify program for gzip and json.tool command line options. (GH-10332)

diff --git a/Doc/library/gzip.rst b/Doc/library/gzip.rst
index a93f377..a57307b 100644
--- a/Doc/library/gzip.rst
+++ b/Doc/library/gzip.rst
@@ -211,6 +211,9 @@
       The basic data compression module needed to support the :program:`gzip` file
       format.
 
+
+.. program:: gzip
+
 Command Line Interface
 ----------------------
 
diff --git a/Doc/library/json.rst b/Doc/library/json.rst
index 8ce493d..510e307 100644
--- a/Doc/library/json.rst
+++ b/Doc/library/json.rst
@@ -648,7 +648,9 @@
 when serializing instances of "exotic" numerical types such as
 :class:`decimal.Decimal`.
 
+
 .. _json-commandline:
+.. program:: json.tool
 
 Command Line Interface
 ----------------------
@@ -680,6 +682,7 @@
    :option:`--sort-keys` option to sort the output of dictionaries
    alphabetically by key.
 
+
 Command line options
 ^^^^^^^^^^^^^^^^^^^^