diff --git a/APIs.md b/APIs.md
index fb82271..786cb72 100644
--- a/APIs.md
+++ b/APIs.md
@@ -10,6 +10,7 @@ Custom Libraries
 
 The standard libraries aside, OpenComputers comes with a couple of additional, built-in libraries. Here is a list of all these libraries. Note that some of these may not be usable depending on your configuration (HTTP) and context (Robot library on computers), but they'll still be there.
 
+- [[Buffer|API/Buffer]]: a Lua `FILE*` API buffer implementation for wrapping streams.
 - [[Colors|API/Colors]]: a global table that allows referencing standard Minecraft colors by name.
 - [[Component|API/Component]]: look-up and management of components attached to the computer.
 - [[Computer|API/Computer]]: information on and interactions with the computer the Lua state is running on.
@@ -17,6 +18,7 @@ The standard libraries aside, OpenComputers comes with a couple of additional, b
 - [[FileSystem|API/FileSystem]]: abstracted interaction with file system components.
 - [[HTTP|API/HTTP]]: a simple wrapper for HTTP requests.
 - [[Keyboard|API/Keyboard]]: a table of key codes by name and pressed key tracking.
+- [[Process|API/Process]]: keeps track of running programs and their environments
 - [[Robot|API/Robot]]: abstracted access to robot actions.
 - [[Shell|API/Shell]]: working path tracking and program execution.
 - [[Sides|API/Sides]]: a global table that allows referencing sides by name.