diff --git a/src/game/SharedDefines.h b/src/game/SharedDefines.h
index a67c6f1ca..7d30454a1 100644
--- a/src/game/SharedDefines.h
+++ b/src/game/SharedDefines.h
@@ -286,8 +286,8 @@ const uint32 ItemQualityColors[MAX_ITEM_QUALITY] = {
 
 #define SPELL_ATTR_EX2_UNK0                       0x00000001            // 0
 #define SPELL_ATTR_EX2_UNK1                       0x00000002            // 1
-#define SPELL_ATTR_EX2_CANT_REFLECTED             0x00000004            // 2 ? used for detect can or not spell reflected
-#define SPELL_ATTR_EX2_UNK3                       0x00000008            // 3
+#define SPELL_ATTR_EX2_CANT_REFLECTED             0x00000004            // 2 ? used for detect can or not spell reflected // do not need LOS (e.g. 18220 since 3.3.3)
+#define SPELL_ATTR_EX2_UNK3                       0x00000008            // 3 auto targeting? (e.g. fishing skill enhancement items since 3.3.3)
 #define SPELL_ATTR_EX2_UNK4                       0x00000010            // 4
 #define SPELL_ATTR_EX2_AUTOREPEAT_FLAG            0x00000020            // 5
 #define SPELL_ATTR_EX2_UNK6                       0x00000040            // 6
@@ -370,7 +370,7 @@ const uint32 ItemQualityColors[MAX_ITEM_QUALITY] = {
 #define SPELL_ATTR_EX4_USABLE_IN_ARENA            0x00020000            // 17 usable in arena
 #define SPELL_ATTR_EX4_UNK18                      0x00040000            // 18
 #define SPELL_ATTR_EX4_UNK19                      0x00080000            // 19
-#define SPELL_ATTR_EX4_UNK20                      0x00100000            // 20
+#define SPELL_ATTR_EX4_UNK20                      0x00100000            // 20 do not give "more powerful spell" error message
 #define SPELL_ATTR_EX4_UNK21                      0x00200000            // 21
 #define SPELL_ATTR_EX4_UNK22                      0x00400000            // 22
 #define SPELL_ATTR_EX4_UNK23                      0x00800000            // 23
@@ -385,7 +385,7 @@ const uint32 ItemQualityColors[MAX_ITEM_QUALITY] = {
 
 #define SPELL_ATTR_EX5_UNK0                       0x00000001            // 0
 #define SPELL_ATTR_EX5_NO_REAGENT_WHILE_PREP      0x00000002            // 1 not need reagents if UNIT_FLAG_PREPARATION
-#define SPELL_ATTR_EX5_UNK2                       0x00000004            // 2
+#define SPELL_ATTR_EX5_UNK2                       0x00000004            // 2 removed at enter arena (e.g. 31850 since 3.3.3)
 #define SPELL_ATTR_EX5_USABLE_WHILE_STUNNED       0x00000008            // 3 usable while stunned
 #define SPELL_ATTR_EX5_UNK4                       0x00000010            // 4
 #define SPELL_ATTR_EX5_SINGLE_TARGET_SPELL        0x00000020            // 5 Only one target can be apply at a time
@@ -396,7 +396,7 @@ const uint32 ItemQualityColors[MAX_ITEM_QUALITY] = {
 #define SPELL_ATTR_EX5_UNK10                      0x00000400            // 10
 #define SPELL_ATTR_EX5_UNK11                      0x00000800            // 11
 #define SPELL_ATTR_EX5_UNK12                      0x00001000            // 12
-#define SPELL_ATTR_EX5_UNK13                      0x00002000            // 13
+#define SPELL_ATTR_EX5_UNK13                      0x00002000            // 13 haste affects duration (e.g. 8050 since 3.3.3)
 #define SPELL_ATTR_EX5_UNK14                      0x00004000            // 14
 #define SPELL_ATTR_EX5_UNK15                      0x00008000            // 15
 #define SPELL_ATTR_EX5_UNK16                      0x00010000            // 16
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index 819fae267..ea8a0c669 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "9671"
+ #define REVISION_NR "9672"
 #endif // __REVISION_NR_H__