diff --git a/hueplusplus/include/BrightnessStrategy.h b/hueplusplus/include/BrightnessStrategy.h
index af0c7e1..85f2f9b 100755
--- a/hueplusplus/include/BrightnessStrategy.h
+++ b/hueplusplus/include/BrightnessStrategy.h
@@ -24,7 +24,7 @@
 
 class HueLight;
 
-//! Virtual base class for all BrightnessStrategys
+//! Virtual base class for all BrightnessStrategies
 class BrightnessStrategy
 {
     public:
diff --git a/hueplusplus/include/ColorHueStrategy.h b/hueplusplus/include/ColorHueStrategy.h
index f4ca6b7..b1880d9 100755
--- a/hueplusplus/include/ColorHueStrategy.h
+++ b/hueplusplus/include/ColorHueStrategy.h
@@ -24,7 +24,7 @@
 
 class HueLight;
 
-//! Virtual base class for all ColorHueStrategys
+//! Virtual base class for all ColorHueStrategies
 class ColorHueStrategy
 {
     public:
diff --git a/hueplusplus/include/ColorTemperatureStrategy.h b/hueplusplus/include/ColorTemperatureStrategy.h
index 62f4681..05bde50 100755
--- a/hueplusplus/include/ColorTemperatureStrategy.h
+++ b/hueplusplus/include/ColorTemperatureStrategy.h
@@ -24,7 +24,7 @@
 
 class HueLight;
 
-//! Virtual base class for all ColorTemperatureStrategys
+//! Virtual base class for all ColorTemperatureStrategies
 class ColorTemperatureStrategy
 {
     public:
diff --git a/hueplusplus/include/ExtendedColorHueStrategy.h b/hueplusplus/include/ExtendedColorHueStrategy.h
index de0a14e..420bb42 100755
--- a/hueplusplus/include/ExtendedColorHueStrategy.h
+++ b/hueplusplus/include/ExtendedColorHueStrategy.h
@@ -20,6 +20,7 @@
 #ifndef _EXTENDED_COLOR_HUE_STRATEGY_H
 #define _EXTENDED_COLOR_HUE_STRATEGY_H
 
+#include "HueLight.h"
 #include "SimpleColorHueStrategy.h"
 
 //! Class extending the implementation of SimpleColorHueStrategy
diff --git a/hueplusplus/include/SimpleColorHueStrategy.h b/hueplusplus/include/SimpleColorHueStrategy.h
index a5de0d1..7a0b3ad 100755
--- a/hueplusplus/include/SimpleColorHueStrategy.h
+++ b/hueplusplus/include/SimpleColorHueStrategy.h
@@ -20,6 +20,7 @@
 #ifndef _SIMPLE_COLOR_HUE_STRATEGY_H
 #define _SIMPLE_COLOR_HUE_STRATEGY_H
 
+#include "ColorHueStrategy.h"
 #include "HueLight.h"
 
 //! Class implementing the functions of ColorHueStrategy