diff --git a/GUI/View/Common/FixupDoubleValidator.h b/GUI/View/Common/FixupDoubleValidator.h
index 2628fbce623b8947c95fd67adcd977e26dd135e9..d0ba632bf9841431dc5ed647c5d335057bf10dd7 100644
--- a/GUI/View/Common/FixupDoubleValidator.h
+++ b/GUI/View/Common/FixupDoubleValidator.h
@@ -17,6 +17,10 @@
 
 #include <QDoubleValidator>
 
+//! The FixupDoubleValidator class is a derivative of QDoubleValidator with non-empty "fixup"
+//! method. If validator return QValidator::Intermediate, then "fixup" lets us know about that,
+//! emiting fixupSignal();
+
 class FixupDoubleValidator : public QDoubleValidator {
     Q_OBJECT
 public:
diff --git a/GUI/View/Instrument/GISASBeamEditor.cpp b/GUI/View/Instrument/GISASBeamEditor.cpp
index e645aaf147e851a578a49b99633737b682bd701c..e97a8aa0deff92a68a3ef5fc96bd85ad133c0d8f 100644
--- a/GUI/View/Instrument/GISASBeamEditor.cpp
+++ b/GUI/View/Instrument/GISASBeamEditor.cpp
@@ -68,7 +68,7 @@ GISASBeamEditor::GISASBeamEditor(QWidget* parent, BeamItem* item)
     connect(azimuthalEditor, &DistributionEditor::distributionChanged, this,
             &GISASBeamEditor::dataChanged);
 
-    //! validate value while typing
+    // validate value while typing
     connect(intensityEditor, &QLineEdit::textEdited, [=]() {
         QString str = intensityEditor->text();
         int pos;
@@ -77,8 +77,8 @@ GISASBeamEditor::GISASBeamEditor(QWidget* parent, BeamItem* item)
             emit dataChanged();
         }
     });
-    //! if validator does not assert the input value, it says about that,
-    //! and here we return to the last correct value
+    // if validator does not assert the input value, it says about that,
+    // and here we return to the last correct value
     connect(validator, &FixupDoubleValidator::fixupSignal, [=]() {
         auto* editor = qobject_cast<QLineEdit*>(validator->parent());
         editor->setText(QString::number(item->intensity(),'g'));
diff --git a/GUI/View/Instrument/OffSpecularBeamEditor.cpp b/GUI/View/Instrument/OffSpecularBeamEditor.cpp
index e63e910e1ad550ec5313282430e19309f6fe41f3..ecefda782e53371934fd5ec1c53e235ba37dd186 100644
--- a/GUI/View/Instrument/OffSpecularBeamEditor.cpp
+++ b/GUI/View/Instrument/OffSpecularBeamEditor.cpp
@@ -68,7 +68,7 @@ OffSpecularBeamEditor::OffSpecularBeamEditor(QWidget* parent, OffSpecularInstrum
     connect(azimuthalEditor, &DistributionEditor::distributionChanged, this,
             &OffSpecularBeamEditor::dataChanged);
 
-    //! validate value while typing
+    // validate value while typing
     connect(intensityEditor, &QLineEdit::textEdited, [=]() {
         QString str = intensityEditor->text();
         int pos;
@@ -77,8 +77,8 @@ OffSpecularBeamEditor::OffSpecularBeamEditor(QWidget* parent, OffSpecularInstrum
             emit dataChanged();
         }
     });
-    //! if validator does not assert the input value, it says about that,
-    //! and here we return to the last correct value
+    // if validator does not assert the input value, it says about that,
+    // and here we return to the last correct value
     connect(validator, &FixupDoubleValidator::fixupSignal, [=]() {
         auto* editor = qobject_cast<QLineEdit*>(validator->parent());
         editor->setText(QString::number(item->beamItem()->intensity(),'g'));
diff --git a/GUI/View/Instrument/SpecularBeamEditor.cpp b/GUI/View/Instrument/SpecularBeamEditor.cpp
index 0185fce64988dd28b91d432525f9b22fe71da14a..3b67acc80a3e51e68dbb54a6fffe3978274f22c1 100644
--- a/GUI/View/Instrument/SpecularBeamEditor.cpp
+++ b/GUI/View/Instrument/SpecularBeamEditor.cpp
@@ -78,7 +78,7 @@ SpecularBeamEditor::SpecularBeamEditor(QWidget* parent, SpecularBeamItem* item,
     connect(footprintEditor, &FootprintCorrectionEditor::dataChanged, this,
             &SpecularBeamEditor::dataChanged);
 
-    //! validate value while typing
+    // validate value while typing
     connect(intensityLineEdit, &QLineEdit::textEdited, [=]() {
         QString str = intensityLineEdit->text();
         int pos;
@@ -87,8 +87,8 @@ SpecularBeamEditor::SpecularBeamEditor(QWidget* parent, SpecularBeamItem* item,
             emit dataChanged();
         }
     });
-    //! if validator does not assert the input value, it says about that,
-    //! and here we return to the last correct value
+    // if validator does not assert the input value, it says about that,
+    // and here we return to the last correct value
     connect(validator, &FixupDoubleValidator::fixupSignal, [=]() {
         auto* editor = qobject_cast<QLineEdit*>(validator->parent());
         editor->setText(QString::number(item->intensity(),'g'));