diff --git a/gui/AboutWindow.h b/gui/AboutWindow.h
index 8e05a10..66c22a0 100644
--- a/gui/AboutWindow.h
+++ b/gui/AboutWindow.h
@@ -7,6 +7,12 @@ namespace Ui {
 class AboutWindow;
 }
 
+/**
+ * @brief The AboutWindow class
+ *
+ * The AboutWindow just displays some copyright information.
+ *
+ */
 class AboutWindow : public QDialog
 {
    Q_OBJECT
diff --git a/gui/AnalysisWindow.h b/gui/AnalysisWindow.h
index bddb0bd..70c6d88 100644
--- a/gui/AnalysisWindow.h
+++ b/gui/AnalysisWindow.h
@@ -7,6 +7,12 @@ namespace Ui {
 class AnalysisWindow;
 }
 
+/**
+ * @brief The AnalysisWindow class.
+ *
+ * The Analysis Windows class shows a plot of data. This allows visual inspection of
+ * data
+ */
 class AnalysisWindow : public QDialog
 {
    Q_OBJECT
diff --git a/gui/MainWindow.h b/gui/MainWindow.h
index 740ea1e..041e23f 100644
--- a/gui/MainWindow.h
+++ b/gui/MainWindow.h
@@ -10,6 +10,13 @@ QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }
 QT_END_NAMESPACE
 
+/**
+ * @brief The MainWindow class
+ *
+ * The MainWindow class holds the primary GUI window of the application. All user interactions
+ * with QtRocket begin with interactions in this window. This window can spawn other windows.
+ */
+
 class MainWindow : public QMainWindow
 {
    Q_OBJECT
diff --git a/gui/RocketTreeView.h b/gui/RocketTreeView.h
index 82b72d8..af2ea36 100644
--- a/gui/RocketTreeView.h
+++ b/gui/RocketTreeView.h
@@ -6,6 +6,9 @@
 /**
  * @brief RocketTreeView basically just renames QTreeView with a specific
  *        memorable name.
+ *
+ * The purpose is to provide an exploded view of the components that make up the
+ * rocket design, and their relationships.
  */
 class RocketTreeView : public QTreeView
 {
diff --git a/gui/ThrustCurveMotorSelector.h b/gui/ThrustCurveMotorSelector.h
index 94be155..ccecf1e 100644
--- a/gui/ThrustCurveMotorSelector.h
+++ b/gui/ThrustCurveMotorSelector.h
@@ -11,6 +11,9 @@ namespace Ui {
 class ThrustCurveMotorSelector;
 }
 
+/**
+ * @brief The ThrustCurveMotorSelector class is a Window that provides an interface to Thrustcurve.org
+ */
 class ThrustCurveMotorSelector : public QDialog
 {
    Q_OBJECT