diff --git a/include/sta/i2c.hpp b/include/sta/i2c.hpp
index db467dd..aa023fd 100644
--- a/include/sta/i2c.hpp
+++ b/include/sta/i2c.hpp
@@ -1,17 +1,18 @@
-#ifndef STA_I2C_HPP
-#define STA_I2C_HPP
+#ifndef STA_CORE_I2C_HPP
+#define STA_CORE_I2C_HPP
 
 #include <cstdint>
 #include <sta/mutex.hpp>
 
-namespace sta {
-    class I2cDevice {
-    protected:
-        uint16_t address;
-        Mutex* mutex;
-        bool master;
-        bool blocking;
+namespace sta
+{
+	/**
+	 * @brief Interface class for %SPI Hardware.
+	 */
+    class I2cDevice
+	{
     public:
+
         I2cDevice(uint16_t address_10bit, Mutex* mutex=nullptr, bool master=false, bool blocking=true);
 
         virtual bool transmit(uint8_t* data, uint16_t size) = 0;
@@ -21,7 +22,13 @@ namespace sta {
         virtual void acquire();
 
         virtual void release();
-    };
-}
 
-#endif // STA_I2C_HPP
+    protected:
+		uint16_t address;
+		Mutex* mutex;
+		bool master;
+		bool blocking;
+    };
+} // namespace sta
+
+#endif // STA_CORE_I2C_HPP