Minor doc updates (#8)

Author: carl-adams-planet

src/planet_auth_utils/commands/cli/jwt_cmd.py

@@ -183,7 +183,7 @@ def cmd_jwt_validate_oauth(ctx, token, token_file, audience, issuer, human_reada
     development and debugging utility.  The default behavior to inspect the token
     for issuer and audience information used to validate the token is wholly
     incorrect for a production use case.  The decision of which issuers to
-    trust with which audiences MUST be controlled by the service operator.
+    trust with what audiences MUST be controlled by the service operator.
     """
     token_to_validate = _get_token_or_fail(token_opt=token, token_file_opt=token_file)
     (hazmat_header, hazmat_body, hazmat_signature) = TokenValidator.hazmat_unverified_decode(token_to_validate)

src/planet_auth_utils/commands/cli/oauth_cmd.py

@@ -56,7 +56,7 @@ def _check_client_type(ctx):
 @click.pass_context
 def cmd_oauth(ctx):
     """
-    Auth commands specific to OAuth authentication mechanisms.
+    OAuth2 authentication commands.
     """
     if ctx.invoked_subcommand is None:
         click.echo(ctx.get_help())

src/planet_auth_utils/commands/cli/planet_legacy_auth_cmd.py

@@ -38,7 +38,7 @@ def _check_client_type(ctx):
 @click.pass_context
 def cmd_pllegacy(ctx):
     """
-    Auth commands specific to Planet legacy authentication mechanisms.
+    Planet legacy authentication commands.
     """
     if ctx.invoked_subcommand is None:
         click.echo(ctx.get_help())