diff --git a/modules/engine/FUNCTIONS.toml b/modules/engine/FUNCTIONS.toml
index 3af692d..2d8965e 100644
--- a/modules/engine/FUNCTIONS.toml
+++ b/modules/engine/FUNCTIONS.toml
@@ -2,64 +2,94 @@
 [engine_malloc]
 type = "void *"
 arguments = ["void *","size_t"]
+argNames = ["ptr","size"]
+description = "Allocate memory, equivalent to C's realloc(), with the difference that it quits on failure."
 
 [engine_free]
 type = "void"
 arguments = ["void *"]
+argNames = ["ptr"]
+description = "Allocate memory, equivalent to C's free()."
 
 # WINDOW
 [engine_window_init]
 type = "void"
 arguments = ["int","int","char *"]
+argNames = ["width","height","title]
+description = "Creates a window."
 
 [engine_window_present]
 type = "void"
 arguments = []
+argNames = []
+description = "Updates the window's surface."
 
 # SURFACE
 [engine_surface_color_set]
 type = "void"
 arguments = ["char","char","char","char"]
+argNames = ["r","g","b","a"]
+description = "Set the color that will be drawn to the window surface."
 
 [engine_surface_draw_pixel]
 type = "void"
 arguments = ["int","int"]
+argNames = ["x","y"]
+description = "Draw a pixel to the window surface."
 
 # TIME
 [engine_time_get]
 type = "long long"
 arguments = []
+argNames = []
+description = "Get the time passed since program start in milliseconds."
 
 [engine_time_sleep]
 type = "void"
 arguments = ["long long"]
+argNames = ["ms"]
+description = "Halt the program for some amount of time."
 
 # LOGIC
 [engine_event_get]
 type = "struct ENGINE_EVENT *"
 arguments = []
+argNames = []
+description = "Get an event. If the type is ENGINE_EVENT_TYPE_NONE, there are no more events."
 
 # TEXTURES
 [engine_texture_create]
 type = "struct ENGINE_TEXTURE *"
 arguments = ["int","int"]
+argNames = ["width","height"]
+description = "Creates a texture. Needs to be freed when no longer needed with engine_texture_destroy()."
 
 [engine_texture_color_set]
 type = "void"
 arguments = ["char","char","char","char"]
+argNames = ["r","g","b","a"]
+description = "Set the color that will be drawn to the texture."
 
 [engine_texture_draw_pixel]
 type = "void"
 arguments = ["struct ENGINE_TEXTURE *","int","int"]
+argNames = ["texture","x","y"]
+description = "Draw a pixel to the texture."
 
 [engine_texture_destroy]
 type = "void"
 arguments = ["struct ENGINE_TEXTURE *"]
+argNames = ["texture"]
+description = "Destroy a texture, freeing up memory."
 
 [engine_texture_render_2d]
 type = "void"
 arguments = ["struct ENGINE_TEXTURE *","int","int"]
+argNames = ["texture","sx","sy"]
+description = "Render texture to the window surface."
 
 [engine_texture_from_file]
 type = "void"
 arguments = ["struct ENGINE_TEXTURE *","char *"]
+argNames = ["texture","fpath"]
+description = "Read a raw RGBA image file into a texture."