diff --git a/source/soundmanager/scripting/SoundGroup.cpp b/source/soundmanager/scripting/SoundGroup.cpp
index c96f891f31..bad65329ae 100644
--- a/source/soundmanager/scripting/SoundGroup.cpp
+++ b/source/soundmanager/scripting/SoundGroup.cpp
@@ -19,8 +19,8 @@
 * =========================================================================
 * File		  : SoundGroup.cpp
 * Project	  : 0 A.D.
-* Description : Loads up a group of sound files with shared properties, 
-*				and provides a simple interface for playing them.		
+* Description : Loads up a group of sound files with shared properties,
+*				and provides a simple interface for playing them.
 * =========================================================================
 */
 
@@ -112,9 +112,9 @@ float CSoundGroup::RadiansOffCenter(const CVector3D& position, bool& onScreen, f
 	float yBufferSize = 15;
 	const size_t audioWidth = screenWidth;
 	float radianCap = PI / 3;
-	
+
 	g_Game->GetView()->GetCamera()->GetScreenCoordinates(position, x, y);
-	
+
 	onScreen = true;
 
 	if (x < -bufferSize)
@@ -162,7 +162,7 @@ void CSoundGroup::UploadPropertiesAndPlay(size_t theIndex, const CVector3D& posi
 	bool isOnscreen = false;
 	ALfloat	initialRolllOff = 0.1f;
 	ALfloat	itemRollOff = initialRolllOff;
-	
+
 
 	float offSet = RadiansOffCenter(position, isOnscreen, itemRollOff);
 	bool 	shouldBePlayed = isOnscreen || TestFlag(eDistanceless) || TestFlag(eOmnipresent);
@@ -195,7 +195,7 @@ void CSoundGroup::UploadPropertiesAndPlay(size_t theIndex, const CVector3D& posi
 
 		if (TestFlag(eDistanceless))
 			itemRollOff = 0;
-		
+
 		if ( sndData->IsStereo() )
 			LOGWARNING("OpenAL: stereo sounds can't be positioned: %s", sndData->GetFileName().string8());
 
@@ -235,7 +235,7 @@ void CSoundGroup::PlayNext(const CVector3D& position, entity_id_t source)
 	// if no sounds, return
 	if (filenames.size() == 0)
 		return;
-	
+
 	m_index = rand(0, (size_t)filenames.size());
 	UploadPropertiesAndPlay(m_index, position, source);
 }
@@ -260,7 +260,7 @@ void CSoundGroup::Reload()
 		}
 
 		if (TestFlag(eRandOrder))
-			random_shuffle(snd_group.begin(), snd_group.end());	
+			random_shuffle(snd_group.begin(), snd_group.end());
 	}
 #endif // CONFIG2_AUDIO
 }
@@ -323,12 +323,11 @@ bool CSoundGroup::LoadSoundGroup(const VfsPath& pathnameXML)
 		LOGERROR("Invalid SoundGroup format (unrecognised root element '%s')", XeroFile.GetElementString(root.GetNodeName()).c_str());
 		return false;
 	}
-	
+
 	XERO_ITER_EL(root, child)
 	{
-	
-		int child_name = child.GetNodeName();			
-		
+		int child_name = child.GetNodeName();
+
 		if(child_name == el_gain)
 		{
 			SetGain(child.GetText().ToFloat());
@@ -421,7 +420,6 @@ bool CSoundGroup::LoadSoundGroup(const VfsPath& pathnameXML)
 			m_Decay = child.GetText().ToFloat();
 		}
 	}
-
 	return true;
 }
 
diff --git a/source/soundmanager/scripting/SoundGroup.h b/source/soundmanager/scripting/SoundGroup.h
index 53be26c1a1..6a358f8f97 100644
--- a/source/soundmanager/scripting/SoundGroup.h
+++ b/source/soundmanager/scripting/SoundGroup.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2012 Wildfire Games.
+/* Copyright (C) 2015 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -19,15 +19,12 @@
 * =========================================================================
 * File		: SoundGroup.h
 * Project	 : 0 A.D.
-* Description : Loads up a group of sound files with shared properties, 
-*				and provides a simple interface for playing them.		
+* Description : Loads up a group of sound files with shared properties,
+*				and provides a simple interface for playing them.
 * =========================================================================
 */
 
 /*
-Example usage:
-
-
 Example SoundGroup.xml
 	<?xml version="1.0" encoding="utf-8"?>
 	<SoundGroup>
@@ -46,7 +43,6 @@ Example SoundGroup.xml
 		<Sound>audio/voice/hellenes/soldier/Attack_Engagex.ogg</Sound>
 		<Sound>audio/voice/hellenes/soldier/Attack_ForMyFamily.ogg</Sound>
 	</SoundGroup>
-
 */
 
 #ifndef INCLUDED_SOUNDGROUP_H
@@ -105,7 +101,7 @@ public:
 
 	// Test flag, returns true if flag is set.
 	inline bool TestFlag(int flag) { return (m_Flags & flag) != 0; }
-	
+
 private:
 	void SetGain(float gain);
 
@@ -114,7 +110,7 @@ private:
 	void SetDefaultValues();
 
 	size_t m_index;  // index of the next sound to play
-		
+
 #if CONFIG2_AUDIO
 	std::vector<CSoundData*> snd_group;  // we store the handles so we can load now and play later
 #endif
@@ -124,15 +120,15 @@ private:
 
 	float m_CurTime; // Time elapsed since soundgroup was created
 	float m_TimeWindow; // The Intensity Threshold Window
-	size_t m_IntensityThreshold; // the allowable intensity before a sound switch	
-	size_t m_Intensity;  // our current intensity(number of sounds played since m_CurTime - m_TimeWindow) 
-	float m_Decay; // 
+	size_t m_IntensityThreshold; // the allowable intensity before a sound switch
+	size_t m_Intensity;  // our current intensity (number of sounds played since m_CurTime - m_TimeWindow)
+	float m_Decay;
 	unsigned char m_Flags; // up to eight individual parameters, use with eSndGrpFlags.
-	
-	float m_Gain;  
+
+	float m_Gain;
 	float m_Pitch;
 	float m_Priority;
-	float m_ConeOuterGain; 
+	float m_ConeOuterGain;
 	float m_PitchUpper;
 	float m_PitchLower;
 	float m_GainUpper;