diff --git a/asm/include/ov05.inc b/asm/include/ov05.inc
index c04e8b1d..c4d46c51 100644
--- a/asm/include/ov05.inc
+++ b/asm/include/ov05.inc
@@ -1632,7 +1632,7 @@
 .extern func_ov00_020a8bd8
 .extern func_ov00_020a8118
 .extern func_ov00_020a8c14
-.extern _ZNK11ItemManager13HasBluePotionEv
+.extern _ZNK11ItemManager15HasPurplePotionEv
 .extern func_ov00_020a8148
 .extern func_ov00_020a8148
 .extern func_ov00_020a8b04
diff --git a/asm/ov00/ItemManager/ItemManager.s b/asm/ov00/ItemManager/ItemManager.s
index 4649b8f1..768f5869 100644
--- a/asm/ov00/ItemManager/ItemManager.s
+++ b/asm/ov00/ItemManager/ItemManager.s
@@ -1960,9 +1960,9 @@ _020ae5a4:
 	ldmia sp!, {r3, r4, r5, pc}
 	arm_func_end _ZNK11ItemManager13HasAllPotionsEv
 
-	.global _ZNK11ItemManager13HasBluePotionEv
-	arm_func_start _ZNK11ItemManager13HasBluePotionEv
-_ZNK11ItemManager13HasBluePotionEv: ; 0x020ae5d0
+	.global _ZNK11ItemManager15HasPurplePotionEv
+	arm_func_start _ZNK11ItemManager15HasPurplePotionEv
+_ZNK11ItemManager15HasPurplePotionEv: ; 0x020ae5d0
 	mov r2, #0
 _020ae5d4:
 	add r1, r0, r2
@@ -1975,7 +1975,7 @@ _020ae5d4:
 	blt _020ae5d4
 	mov r0, #0
 	bx lr
-	arm_func_end _ZNK11ItemManager13HasBluePotionEv
+	arm_func_end _ZNK11ItemManager15HasPurplePotionEv
 
 	.global _ZN11ItemManager21LoadDungeonItemModelsEv
 	thumb_func_start _ZN11ItemManager21LoadDungeonItemModelsEv
diff --git a/asm/ov00/include/ov00_020a03e4.inc b/asm/ov00/include/ov00_020a03e4.inc
index 54baada2..165a7043 100644
--- a/asm/ov00/include/ov00_020a03e4.inc
+++ b/asm/ov00/include/ov00_020a03e4.inc
@@ -1019,6 +1019,6 @@
 .extern data_027e0618
 .extern gItemManager
 .extern func_01ffa0f4
-.extern _ZNK11ItemManager13HasBluePotionEv
+.extern _ZNK11ItemManager15HasPurplePotionEv
 .extern data_027e0618
 .extern gItemManager
diff --git a/asm/ov00/ov00_020a03e4.s b/asm/ov00/ov00_020a03e4.s
index 7b7f9909..b429c07a 100644
--- a/asm/ov00/ov00_020a03e4.s
+++ b/asm/ov00/ov00_020a03e4.s
@@ -16703,7 +16703,7 @@ func_ov00_020acf28: ; 0x020acf28
 	bgt _020acf98
 	ldr r0, _020acfe4 ; =gItemManager
 	ldr r0, [r0]
-	bl _ZNK11ItemManager13HasBluePotionEv
+	bl _ZNK11ItemManager15HasPurplePotionEv
 	cmp r0, #0
 	movne r0, #0xe
 	moveq r0, #0xf
diff --git a/asm/ov05.s b/asm/ov05.s
index 00915f49..ec020d78 100644
--- a/asm/ov05.s
+++ b/asm/ov05.s
@@ -17166,7 +17166,7 @@ _0210f244:
 	bgt _0210f298
 	ldr r0, _0210f6c4 ; =gItemManager
 	ldr r0, [r0]
-	bl _ZNK11ItemManager13HasBluePotionEv
+	bl _ZNK11ItemManager15HasPurplePotionEv
 	cmp r0, #0
 	beq _0210f298
 	mov r0, r6
diff --git a/docs/items.md b/docs/items.md
index 2883464a..e551c6f9 100644
--- a/docs/items.md
+++ b/docs/items.md
@@ -41,7 +41,7 @@ Might be inaccurate due to there being seemingly multiple IDs/enumerations for i
 `0x1f` | Hammer
 `0x20` | Grapple Hook
 `0x21` | Square Crystal
-`0x22` | Circle Crystal
+`0x22` | Round Crystal
 `0x23` | Triangle Crystal
 `0x24` | `fp`
 `0x25` | ---
diff --git a/include/ItemManager.hpp b/include/ItemManager.hpp
index af048827..cd304e5f 100644
--- a/include/ItemManager.hpp
+++ b/include/ItemManager.hpp
@@ -142,7 +142,7 @@ enum ItemModelId_ {
     ItemModelId_Bomb,         // bomb
     ItemModelId_Bombchu,      // bomchu
     ItemModelId_RedPotion,    // rev_bin
-    ItemModelId_BluePotion,   // rev_binP
+    ItemModelId_PurplePotion, // rev_binP
     ItemModelId_YellowPotion, // rev_binY
     ItemModelId_Hammer,       // ham
     ItemModelId_RopeTop,      // ropetop
@@ -153,7 +153,7 @@ typedef u32 DungeonItemModelId;
 enum DungeonItemModelId_ {
     DungeonItemModelId_ForceGem,        // force
     DungeonItemModelId_BossKey,         // bosskey
-    DungeonItemModelId_CircleCrystal,   // switch_cstl_c_c
+    DungeonItemModelId_RoundCrystal,    // switch_cstl_c_c
     DungeonItemModelId_SquareCrystal,   // switch_cstl_s_c
     DungeonItemModelId_TriangleCrystal, // switch_cstl_t_c
     DungeonItemModelId_COUNT,
@@ -320,7 +320,7 @@ public:
     void SetPotion(u32 index, Potion potion);
     bool HasPotion(u32 index) const;
     bool HasAllPotions() const;
-    bool HasBluePotion() const;
+    bool HasPurplePotion() const;
     void UnequipPotion();
 
     // Unknown