diff --git a/dialogs/mediapropertiesdialog.h b/dialogs/mediapropertiesdialog.h
index 8f24eee72..c13e2c1f6 100644
--- a/dialogs/mediapropertiesdialog.h
+++ b/dialogs/mediapropertiesdialog.h
@@ -31,19 +31,61 @@
 #include "project/footage.h"
 #include "project/media.h"
 
+/**
+ * @brief The MediaPropertiesDialog class
+ *
+ * A dialog for setting properties on Media.
+ */
 class MediaPropertiesDialog : public QDialog {
-	Q_OBJECT
+  Q_OBJECT
 public:
-    MediaPropertiesDialog(QWidget *parent, Media* i);
+  /**
+   * @brief MediaPropertiesDialog Constructor
+   *
+   * @param parent
+   *
+   * QWidget parent. Usually MainWindow or Project panel.
+   *
+   * @param i
+   *
+   * Media object to set properties for.
+   */
+  MediaPropertiesDialog(QWidget *parent, Media* i);
 private:
-	QComboBox* interlacing_box;
-	QLineEdit* name_box;
-    Media* item;
-	QListWidget* track_list;
-	QDoubleSpinBox* conform_fr;
-	QCheckBox* premultiply_alpha_setting;
+  /**
+   * @brief ComboBox for interlacing setting
+   */
+  QComboBox* interlacing_box;
+
+  /**
+   * @brief Media name text field
+   */
+  QLineEdit* name_box;
+
+  /**
+   * @brief Internal pointer to Media object (set in constructor)
+   */
+  Media* item;
+
+  /**
+   * @brief A list widget for listing the tracks in Media
+   */
+  QListWidget* track_list;
+
+  /**
+   * @brief Frame rate to conform to
+   */
+  QDoubleSpinBox* conform_fr;
+
+  /**
+   * @brief Setting for associated/premultiplied alpha
+   */
+  QCheckBox* premultiply_alpha_setting;
 private slots:
-	void accept();
+  /**
+   * @brief Overrided accept function for saving the properties back to the Media class
+   */
+  void accept();
 };
 
 #endif // MEDIAPROPERTIESDIALOG_H
diff --git a/dialogs/newsequencedialog.cpp b/dialogs/newsequencedialog.cpp
index 47ead1336..466a431b8 100644
--- a/dialogs/newsequencedialog.cpp
+++ b/dialogs/newsequencedialog.cpp
@@ -76,15 +76,15 @@ NewSequenceDialog::NewSequenceDialog(QWidget *parent, Media *existing) :
   }
 }
 
-NewSequenceDialog::~NewSequenceDialog()
-{}
-
 void NewSequenceDialog::set_sequence_name(const QString& s) {
   sequence_name_edit->setText(s);
 }
 
-void NewSequenceDialog::create() {
+void NewSequenceDialog::accept() {
   if (existing_sequence == nullptr) {
+
+    // The dialog wasn't given an existing Sequence object, so we'll make a new one
+
     SequencePtr s = std::make_shared<Sequence>();
 
     s->name = sequence_name_edit->text();
@@ -97,7 +97,11 @@ void NewSequenceDialog::create() {
     ComboAction* ca = new ComboAction();
     panel_project->create_sequence_internal(ca, s, true, nullptr);
     olive::UndoStack.push(ca);
+
   } else {
+
+    // The dialog was given an existing Sequence object, so we'll apply the changes to it
+
     ComboAction* ca = new ComboAction();
 
     double multiplier = frame_rate_combobox->currentData().toDouble() / existing_sequence->frame_rate;
@@ -121,7 +125,7 @@ void NewSequenceDialog::create() {
     olive::UndoStack.push(ca);
   }
 
-  accept();
+  QDialog::accept();
 }
 
 void NewSequenceDialog::preset_changed(int index) {
diff --git a/dialogs/newsequencedialog.h b/dialogs/newsequencedialog.h
index b71bdc099..4acd69853 100644
--- a/dialogs/newsequencedialog.h
+++ b/dialogs/newsequencedialog.h
@@ -30,33 +30,115 @@
 #include "project/media.h"
 #include "timeline/sequence.h"
 
+/**
+ * @brief The NewSequenceDialog class
+ *
+ * A dialog that creates a new (or edits an existing) Sequence object.
+ */
 class NewSequenceDialog : public QDialog
 {
   Q_OBJECT
-
 public:
+  /**
+   * @brief NewSequenceDialog constructor
+   *
+   * @param parent
+   *
+   * QWidget parent. Usually MainWindow.
+   *
+   * @param existing
+   *
+   * Set this to a Sequence object (wrapped in a Media object) to edit an existing Sequence,
+   * or leave as nullptr to create a new one.
+   */
   explicit NewSequenceDialog(QWidget *parent = nullptr, Media* existing = nullptr);
-  ~NewSequenceDialog();
 
+  /**
+   * @brief Set the name for the new Sequence
+   *
+   * If creating a new Sequence, use this function before calling exec() to set what the new Sequence's
+   * name will be.
+   *
+   * The primary use of this is to set a unique default name (i.e. one that doesn't exist
+   * in the Sequence already) which is done by Project panel. This is usually "Sequence" followed by a number.
+   *
+   * @param s
+   *
+   * The name to set the new Sequence.
+   */
   void set_sequence_name(const QString& s);
 
 private slots:
-  void create();
+  /**
+   * @brief Override accept function to create/edit a Sequence
+   */
+  virtual void accept() override;
+
+  /**
+   * @brief Slot when the user changes the preset
+   *
+   * Sets all values according to the preset chosen.
+   *
+   * @param index
+   *
+   * Currently selected index of preset_combobox;
+   */
   void preset_changed(int index);
 
 private:
+  /**
+   * @brief Internal reference to an existing Sequence (if one was provided to the constructor)
+   */
   SequencePtr existing_sequence;
+
+  /**
+   * @brief Internal reference to an existing Media wrapper (if one was provided to the constructor)
+   */
   Media* existing_item;
 
+  /**
+   * @brief Internal function to create the dialog's UI
+   */
   void setup_ui();
 
+  /**
+   * @brief ComboBox to set the preset
+   */
   QComboBox* preset_combobox;
+
+  /**
+   * @brief SpinBox to set the Sequence height
+   */
   QSpinBox* height_numeric;
+
+  /**
+   * @brief SpinBox to set the Sequence width
+   */
   QSpinBox* width_numeric;
+
+  /**
+   * @brief ComboBox to set the pixel aspect ratio
+   */
   QComboBox* par_combobox;
+
+  /**
+   * @brief ComboBox to set the interlacing mode
+   */
   QComboBox* interlacing_combobox;
+
+  /**
+   * @brief ComboBox to set the frame rate
+   */
   QComboBox* frame_rate_combobox;
+
+  /**
+   * @brief ComboBox to set the audio frequence
+   */
   QComboBox* audio_frequency_combobox;
+
+  /**
+   * @brief Line edit to set the Sequence's name
+   */
   QLineEdit* sequence_name_edit;
 };