fix comment typo

Author: attenzione

ColorPickerPreference/src/main/java/net/margaritov/preference/colorpicker/ColorPickerPreference.java

@@ -31,7 +31,7 @@
 import android.widget.LinearLayout;
 
 /**
- * A preference type that allows a user to choose a time
+ * A preference type that allows a user to choose a color
  *
  * @author Sergey Margaritov
  */
@@ -329,4 +329,4 @@ public SavedState[] newArray(int size) {
                     }
                 };
     }
-}
+}