diff --git a/docs/zengin/scripts/classes/c_musictheme.md b/docs/zengin/scripts/classes/c_musictheme.md
index ab04f13c8f..6516bbbb39 100644
--- a/docs/zengin/scripts/classes/c_musictheme.md
+++ b/docs/zengin/scripts/classes/c_musictheme.md
@@ -81,7 +81,10 @@ const INT TRANSITION_SUB_TYPE_MEASURE   = 3;    // Gradual transition
 ```
 
 ## Name features
-The musical themes of the game are played depending on the game situation. By default, the theme with the `_STD` (standard) suffix is played. In case of a threat, the `_THR` (threat) theme will be played. During the combat the `_FGT` (fight) theme plays. 
+The musical themes of the game are played depending on the game situation. By default, the theme with the `_STD` (standard) suffix is played. In case of a threat, the `_THR` (threat) theme will be played. During the combat the `_FGT` (fight) theme plays.
+
+!!! Danger
+    Make sure that you use proper naming convention for MusicThemes and [`oCZoneMusic`](../../worlds/Classes/zCVob/zCZone/oCZoneMusic/index.md) vobs. The theme with `OC_` prefix will play in a zone with name like `OLDCAMP_OC` or any other ending with `_OC`
 
 ```dae
 instance WOO_DAY_STD(C_MUSICTHEME_STANDARD)
diff --git a/docs/zengin/worlds/Classes/zCVob/zCZone/oCZoneMusic/index.md b/docs/zengin/worlds/Classes/zCVob/zCZone/oCZoneMusic/index.md
index 7cb69e17fa..0680d5e314 100644
--- a/docs/zengin/worlds/Classes/zCVob/zCZone/oCZoneMusic/index.md
+++ b/docs/zengin/worlds/Classes/zCVob/zCZone/oCZoneMusic/index.md
@@ -15,7 +15,7 @@ A VObject which defines the music to be played within its bounding box. Music zo
 music zone applies. If no music zone applies the music defined in the optional [`oCZoneMusicDefault`](oCZoneMusicDefault.md)
 is used.
 
-The name of the music theme to be played is defined by the [`vobName`](../../index.md#vobname).
+The name of the music theme to be played is defined by the [`vobName`](../../index.md#vobname). Notice that end of the name is taken as a [C_MUSICTHEME](../../../../../scripts/classes/c_musictheme.md) prefix. For example zone `OLDCAMP_OC` will play theme starting with `OC_`.
 
 !!! tip
     If the suffix `_NCI` or `_NCO` is added to the end of the zone name, it snows instead of rains in the zone.