diff --git a/libretro-common/include/libretro.h b/libretro-common/include/libretro.h
index 39f80e03a0..cff6206c17 100644
--- a/libretro-common/include/libretro.h
+++ b/libretro-common/include/libretro.h
@@ -2190,17 +2190,26 @@ struct retro_system_info
                                    * Typically used for a GUI to filter
                                    * out extensions. */
 
-   /* If true, retro_load_game() is guaranteed to provide a valid pathname
-    * in retro_game_info::path.
-    * ::data and ::size are both invalid.
+   /* Libretro cores that need to have direct access to their content
+    * files, including cores which use the path of the content files to
+    * determine the paths of other files, should set need_fullpath to true.
     *
-    * If false, ::data and ::size are guaranteed to be valid, but ::path
-    * might not be valid.
+    * Cores should strive for setting need_fullpath to false,
+    * as it allows the frontend to perform patching, etc.
     *
-    * This is typically set to true for libretro implementations that must
-    * load from file.
-    * Implementations should strive for setting this to false, as it allows
-    * the frontend to perform patching, etc. */
+    * If need_fullpath is true and retro_load_game() is called:
+    *    - retro_game_info::path is guaranteed to have a valid path
+    *    - retro_game_info::data and retro_game_info::size are invalid
+    *
+    * If need_fullpath is false and retro_load_game() is called:
+    *    - retro_game_info::path may be NULL
+    *    - retro_game_info::data and retro_game_info::size are guaranteed
+    *      to be valid
+    *
+    * See also: 
+    *    - RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY
+    *    - RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY
+    */
    bool        need_fullpath;
 
    /* If true, the frontend is not allowed to extract any archives before