diff --git a/Applications/DataExplorer/Base/StrictIntValidator.h b/Applications/DataExplorer/Base/StrictIntValidator.h
index a0cec1a672caddaa9ad5a6515eae185f3c3719c7..efe826dc1ca978a138701c9b531ad403235f7c41 100644
--- a/Applications/DataExplorer/Base/StrictIntValidator.h
+++ b/Applications/DataExplorer/Base/StrictIntValidator.h
@@ -18,18 +18,21 @@
 
 /**
  * \brief A validator for an input field which only accepts integers.
- * Source code adapted from [Qt developer fac](http://developer.qt.nokia.com/faq/answer/i_can_still_insert_numbers_outside_the_range_specified_with_a_qdoublevalida)
+ * Source code adapted from Qt developer faq:
+ * https://web.archive.org/web/20100702180529/http://developer.qt.nokia.com/faq/answer/i_can_still_insert_numbers_outside_the_range_specified_with_a_qdoublevalida
  */
 class StrictIntValidator : public QIntValidator
 {
 public:
     StrictIntValidator(int min, int max, QObject* parent = nullptr)
         : QIntValidator(min, max, parent)
-    {}
+    {
+    }
 
     QValidator::State validate(QString& input, int& pos) const override
     {
-        if (input.isEmpty()) return Intermediate;
+        if (input.isEmpty())
+            return Intermediate;
 
         if (QIntValidator::validate(input, pos) != Acceptable)
             return Invalid;