docs/esp32: Fix string quoting consistency in SDCard mount example.

It appears that strings in the documentation are typically single quoted.
2022-08-15 20:17:41 +10:00 · 2022-08-15 20:17:41 +10:00 · 454d969781
commit 454d969781
parent a16a330da5
1 changed files with 1 additions and 1 deletions
--- a/docs/esp32/quickref.rst
+++ b/docs/esp32/quickref.rst
@ -589,7 +589,7 @@ See :ref:`machine.SDCard <machine.SDCard>`. ::

    # Slot 2 uses pins sck=18, cs=5, miso=19, mosi=23
    sd = machine.SDCard(slot=2)
-    os.mount(sd, "/sd")  # mount
+    os.mount(sd, '/sd')  # mount

    os.listdir('/sd')    # list directory contents