diff --git a/include/types.h b/include/types.h
index 9cec5770..f3fbbfa0 100644
--- a/include/types.h
+++ b/include/types.h
@@ -1,16 +1,16 @@
 #ifndef _TYPES_H_
 #define _TYPES_H_
 
-typedef unsigned char  u8;
-typedef unsigned short u16;
-typedef unsigned int   u32;
-typedef unsigned long  u64;
-typedef signed char    s8;
-typedef signed short   s16;
-typedef signed int     s32;
-typedef signed long    s64;
-typedef float          f32;
-typedef double         f64;
+typedef unsigned char      u8;
+typedef unsigned short     u16;
+typedef unsigned int       u32;
+typedef unsigned long long u64;
+typedef signed char        s8;
+typedef signed short       s16;
+typedef signed int         s32;
+typedef signed long long   s64;
+typedef float              f32;
+typedef double             f64;
 
 #ifndef NULL
     #define NULL 0
diff --git a/src/mips2/unknown_070110.c b/src/mips2/unknown_070110.c
index 6fd1c852..148fd9b8 100644
--- a/src/mips2/unknown_070110.c
+++ b/src/mips2/unknown_070110.c
@@ -34,10 +34,15 @@ s32 get_rng_seed(void) {
     return D_800DD434;
 }
 
+/*
+ * func_8006F94C(start, end) = Gets a random number within a range. 
+ * Start is inclusive, end is exclusive; also changes the RNG seed.
+ * 
+ *  func_8006F94C(0, 5) will return a number from 0 to 4.
+ *  func_8006F94C(20, 30) will return a number from 20 to 29.
+*/
 GLOBAL_ASM("asm/non_matchings/unknown_070110/func_8006F94C.s")
 
-
-
 GLOBAL_ASM("asm/non_matchings/unknown_070110/func_8006F9B8.s")
 GLOBAL_ASM("asm/non_matchings/unknown_070110/func_8006FB60.s")
 GLOBAL_ASM("asm/non_matchings/unknown_070110/func_8006FC30.s")