Update ppsspp.md

Minor change to BIOS section
Add DLC directory to directory section
Add a DLC section

docs/library/ppsspp.md

@@ -25,9 +25,9 @@ In order to acquire PPSSPP's assets files and install them succcessfully, follow
 1 . Create a directory named PPSSPP in RetroArch's System directory.
 
 ```
-- RetroArch
-           - System
-		           - PPSSPP
+RetroArch/
+         └── system/
+		   └── PPSSPP/
 ```
 
 Here's an example of what it should look like.
@@ -106,8 +106,9 @@ The PPSSPP core saves/loads to/from these directories.
 .
 └── PSP/
        ├── PPSSPP_STATE/ (Used to be the state directory, no longer used)
-	   ├── SAVEDATA/ (Game memory stick directories and files)
-	   ├── Cheats/ (Internal Cheats directory, disabled by default)
+       ├── SAVEDATA/ (Game memory stick directories and files)
+       ├── Cheats/ (Internal Cheats directory, disabled by default)
+       ├── GAME/ (DLC directory)
        └── SYSTEM/
                  └── CACHE/ (Shader cache)
 ```
@@ -140,6 +141,12 @@ Each code can be activated or disabled in the ini directly with _C1 in place of
 
 [PPSSPP forums thread](http://forums.ppsspp.org/showthread.php?tid=3590)
 
+## DLC
+
+DLCs need to be installed in the GAME directory. Create the GAME directory in the PSP directory and it should look like this.
+
+RetroArch\saves\PPSSPP\PSP\GAME\
+
 ## OpenGL and Vulkan
 
 PPSSPP's OpenGL renderer can be used by setting RetroArch's video driver to gl.
@@ -277,4 +284,4 @@ Settings with (Restart) means that core has to be closed for the new setting to
 - [Official PPSSPP Github Repository](https://github.com/hrydgard/ppsspp)
 - [Libretro PPSSPP Core info file](https://github.com/libretro/libretro-super/blob/master/dist/info/ppsspp_libretro.info)
 - [Libretro PPSSPP Github Repository](https://github.com/libretro/ppsspp)
-- [Report Libretro PPSSPP Core Issues Here](https://github.com/libretro/ppsspp/issues)
+- [Report Libretro PPSSPP Core Issues Here](https://github.com/libretro/ppsspp/issues)