diff --git a/libusb/core.c b/libusb/core.c
index 0352f1d..e04ec67 100644
--- a/libusb/core.c
+++ b/libusb/core.c
@@ -2127,6 +2127,8 @@
  * If ENABLE_DEBUG_LOGGING is defined then per context callback function will
  * never be called.
  *
+ * Since version 1.0.23, \ref LIBUSB_API_VERSION >= 0x01000107
+ *
  * \param ctx context on which to assign log handler, or NULL for the default
  * context. Parameter ignored if only LIBUSB_LOG_CB_GLOBAL mode is requested.
  * \param cb pointer to the callback function, or NULL to stop log
diff --git a/libusb/libusb.h b/libusb/libusb.h
index 1308571..b0b5106 100644
--- a/libusb/libusb.h
+++ b/libusb/libusb.h
@@ -1325,6 +1325,9 @@
 
 /** \ingroup libusb_lib
  *  Log callback mode.
+ *
+ *  Since version 1.0.23, \ref LIBUSB_API_VERSION >= 0x01000107
+ *
  * \see libusb_set_log_cb()
  */
 enum libusb_log_cb_mode {
@@ -1341,6 +1344,9 @@
  * is a global log message
  * \param level the log level, see \ref libusb_log_level for a description
  * \param str the log message
+ *
+ * Since version 1.0.23, \ref LIBUSB_API_VERSION >= 0x01000107
+ *
  * \see libusb_set_log_cb()
  */
 typedef void (LIBUSB_CALL *libusb_log_cb)(libusb_context *ctx,
diff --git a/libusb/version_nano.h b/libusb/version_nano.h
index db8faba..4843a50 100644
--- a/libusb/version_nano.h
+++ b/libusb/version_nano.h
@@ -1 +1 @@
-#define LIBUSB_NANO 11604
+#define LIBUSB_NANO 11605