diff --git a/src/game/SharedDefines.h b/src/game/SharedDefines.h
index e078a4134..e59383381 100644
--- a/src/game/SharedDefines.h
+++ b/src/game/SharedDefines.h
@@ -417,7 +417,7 @@ const uint32 ItemQualityColors[MAX_ITEM_QUALITY] = {
 #define SPELL_ATTR_EX5_UNK31                      0x80000000            // 31 Forces all nearby enemies to focus attacks caster
 
 #define SPELL_ATTR_EX6_UNK0                       0x00000001            // 0 Only Move spell have this flag
-#define SPELL_ATTR_EX6_UNK1                       0x00000002            // 1 not set in 3.0.3
+#define SPELL_ATTR_EX6_UNK1                       0x00000002            // 1 only usable in arena
 #define SPELL_ATTR_EX6_UNK2                       0x00000004            // 2
 #define SPELL_ATTR_EX6_UNK3                       0x00000008            // 3
 #define SPELL_ATTR_EX6_UNK4                       0x00000010            // 4
@@ -427,7 +427,7 @@ const uint32 ItemQualityColors[MAX_ITEM_QUALITY] = {
 #define SPELL_ATTR_EX6_UNK8                       0x00000100            // 8
 #define SPELL_ATTR_EX6_UNK9                       0x00000200            // 9
 #define SPELL_ATTR_EX6_UNK10                      0x00000400            // 10
-#define SPELL_ATTR_EX6_UNK11                      0x00000800            // 11
+#define SPELL_ATTR_EX6_UNK11                      0x00000800            // 11 not usable in raid instance
 #define SPELL_ATTR_EX6_UNK12                      0x00001000            // 12
 #define SPELL_ATTR_EX6_UNK13                      0x00002000            // 13
 #define SPELL_ATTR_EX6_UNK14                      0x00004000            // 14
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index 1743f5fea..e04c4d5c3 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 "8451"
+ #define REVISION_NR "8452"
 #endif // __REVISION_NR_H__