diff --git a/include/libretro.h b/include/libretro.h
index ff70552ee0..2516bba4ee 100644
--- a/include/libretro.h
+++ b/include/libretro.h
@@ -778,17 +778,18 @@ enum retro_mod
                                             */
 #define RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY 31
                                            /* const char ** --
-                                            * Returns the "save" directory of the frontend.
-                                            * This directory can be used to store SRAM, memory cards,
-                                            * high scores, etc, if the libretro core
+                                            * Returns the "save" directory of the frontend, unless there is no
+                                            * save directory available. The save directory should be used to
+                                            * store SRAM, memory cards, high scores, etc, if the libretro core
                                             * cannot use the regular memory interface (retro_get_memory_data()).
                                             *
-                                            * NOTE: libretro cores used to check GET_SYSTEM_DIRECTORY for
-                                            * similar things before.
-                                            * They should still check GET_SYSTEM_DIRECTORY if they want to
-                                            * be backwards compatible.
-                                            * The path here can be NULL. It should only be non-NULL if the
-                                            * frontend user has set a specific save path.
+                                            * If the frontend cannot designate a save directory, it will return
+                                            * NULL to indicate that the core should attempt to operate without a
+                                            * save directory set.
+                                            *
+                                            * NOTE: early libretro cores used the system directory for save
+                                            * files. Cores that need to be backwards-compatible can still check
+                                            * GET_SYSTEM_DIRECTORY.
                                             */
 #define RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO 32
                                            /* const struct retro_system_av_info * --