diff --git a/asm/code_803D110.s b/asm/code_803D110.s
index ef2f1ca63..597c3fa6a 100644
--- a/asm/code_803D110.s
+++ b/asm/code_803D110.s
@@ -2514,6 +2514,7 @@ _0803E464: .4byte gUnknown_202EDC8
 _0803E468: .4byte gUnknown_202D058
 	thumb_func_end sub_803E250
 
+@ https://decomp.me/scratch/5arGc (kermalis 100%) `void sub_803E46C(u32)`
 	thumb_func_start sub_803E46C
 sub_803E46C:
 	push {lr}
@@ -2725,6 +2726,7 @@ _0803E660: .4byte 0x00018213
 _0803E664: .4byte gUnknown_202EDD4
 	thumb_func_end sub_803E490
 
+@ https://decomp.me/scratch/biQXr (kermalis 100%) `void sub_803E668(u32)`
 	thumb_func_start sub_803E668
 sub_803E668:
 	push {r4,lr}
@@ -2785,6 +2787,7 @@ _0803E700: .4byte gDungeon
 _0803E704: .4byte 0x00018213
 	thumb_func_end sub_803E668
 
+@ https://decomp.me/scratch/bDSdY (kermalis 100%) `void sub_803E708(s32, u32)`
 	thumb_func_start sub_803E708
 sub_803E708:
 	push {r4,r5,lr}
diff --git a/asm/code_808417C.s b/asm/code_808417C.s
index 753905f7d..de1f87c1a 100644
--- a/asm/code_808417C.s
+++ b/asm/code_808417C.s
@@ -693,6 +693,7 @@ _08084768:
 _08084774: .4byte gUnknown_80FA3B8
 	thumb_func_end sub_80845E0
 
+@ https://decomp.me/scratch/vELLj (kermalis 100%) `void sub_8084778(void)`
 	thumb_func_start sub_8084778
 sub_8084778:
 	push {r4,lr}
diff --git a/asm/code_8085B0C.s b/asm/code_8085B0C.s
index 3c6b800d4..cd4442a4e 100644
--- a/asm/code_8085B0C.s
+++ b/asm/code_8085B0C.s
@@ -5,6 +5,7 @@
 
 	.text
 
+@ https://decomp.me/scratch/GE070 (kermalis 100%) `void sub_8085B4C(struct_8085B80 *, s16 **, Entity **, s32)` idk the structs
 	thumb_func_start sub_8085B4C
 sub_8085B4C:
 	push {r4-r6,lr}
@@ -37,6 +38,7 @@ _08085B76:
 _08085B7C: .4byte gUnknown_202F3D8
 	thumb_func_end sub_8085B4C
 
+@ https://decomp.me/scratch/lb4jF (kermalis 87.53%) `bool8 sub_8085B80(struct_8085B80 *)`
 	thumb_func_start sub_8085B80
 sub_8085B80:
 	push {r4-r7,lr}
@@ -450,6 +452,7 @@ _08085E90: .4byte gUnknown_202ECA4
 _08085E94: .4byte 0x000181e4
 	thumb_func_end SetDungeonBGColorRGB
 
+@ gDungeon->field_0x18215 = 0;
 	thumb_func_start sub_8085E98
 sub_8085E98:
 	ldr r0, _08085EA8
@@ -789,6 +792,7 @@ _080861A0: .4byte gUnknown_81066F0
 _080861A4: .4byte gUnknown_810671C
 	thumb_func_end sub_8086130
 
+@ `sub_806CDD4(a0, 0, 8);`
 	thumb_func_start sub_80861A8
 sub_80861A8:
 	push {lr}
diff --git a/include/structs/str_dungeon.h b/include/structs/str_dungeon.h
index 126ae203f..f812dedd4 100644
--- a/include/structs/str_dungeon.h
+++ b/include/structs/str_dungeon.h
@@ -24,6 +24,7 @@ typedef struct DungeonLocation
 } DungeonLocation;
 
 // size: 0x4
+// This might be "RGB"... see `SetDungeonBGColorRGB()`
 typedef struct Dungeon_sub
 {
     u8 unk0;
diff --git a/src/ground_sprite.c b/src/ground_sprite.c
index 7f94a6b07..d8d6872d7 100644
--- a/src/ground_sprite.c
+++ b/src/ground_sprite.c
@@ -184,7 +184,7 @@ void sub_80A658C(void)
 {
     sub_800DB7C();
     ResetSprites(FALSE);
-    nullsub_10(0);
+    nullsub_10(FALSE);
     sub_8005180();
     nullsub_12();
     CopySpritesToOam();