Better quote with single quotes.
diff --git a/Doc/tutorial/interpreter.rst b/Doc/tutorial/interpreter.rst
index 5baf73d..c9ceaf6 100644
--- a/Doc/tutorial/interpreter.rst
+++ b/Doc/tutorial/interpreter.rst
@@ -51,8 +51,8 @@
A second way of starting the interpreter is ``python -c command [arg] ...``,
which executes the statement(s) in *command*, analogous to the shell's
:option:`-c` option. Since Python statements often contain spaces or other
-characters that are special to the shell, it is best to quote *command* in its
-entirety with double quotes.
+characters that are special to the shell, it is usually advised to quote
+*command* in its entirety with single quotes.
Some Python modules are also useful as scripts. These can be invoked using
``python -m module [arg] ...``, which executes the source file for *module* as