further doc build fixes

Author: jepler

conf.py

@@ -199,6 +199,7 @@ def autoapi_prepare_jinja_env(jinja_env):
                     "ports/cxd56/spresense-exported-sdk",
                     "ports/espressif/certificates",
                     "ports/espressif/esp-idf",
+                    "ports/espressif/esp32-camera",
                     "ports/espressif/.idf_tools",
                     "ports/espressif/peripherals",
                     "ports/litex/hw",

ports/espressif/bindings/esp32_camera/__init__.c

@@ -48,7 +48,7 @@
 //|     """Fills buffers when they are empty. Less resources but first ``fb_count`` frames might be old"""
 //|
 //|     LATEST: GrabMode
-//|     """Except when 1 frame buffer is used, queue will always contain the last `fb_count` frames"""
+//|     """Except when 1 frame buffer is used, queue will always contain the last ``fb_count`` frames"""
 //|
 
 MAKE_ENUM_VALUE(esp32_camera_grab_mode_type, grab_mode, WHEN_EMPTY, CAMERA_GRAB_WHEN_EMPTY);