diff --git a/src/slic3r/GUI/AMSMaterialsSetting.cpp b/src/slic3r/GUI/AMSMaterialsSetting.cpp
index 08e142755d..f44dc19917 100644
--- a/src/slic3r/GUI/AMSMaterialsSetting.cpp
+++ b/src/slic3r/GUI/AMSMaterialsSetting.cpp
@@ -581,8 +581,8 @@ void AMSMaterialsSetting::on_select_ok(wxCommandEvent &event)
     wxString n_text = m_input_n_val->GetTextCtrl()->GetValue();
 
     if (obj->cali_version <= -1 && (obj->get_printer_series() != PrinterSeries::SERIES_X1) && !ExtrusionCalibration::check_k_validation(k_text)) {
-        wxString k_tips = _L("Please input a valid value (K in 0~0.3)");
-        wxString kn_tips = _L("Please input a valid value (K in 0~0.3, N in 0.6~2.0)");
+        wxString k_tips = wxString::Format(_L("Please input a valid value (K in %.1f~%.1f)"), MIN_PA_K_VALUE, MAX_PA_K_VALUE);
+        wxString kn_tips = wxString::Format(_L("Please input a valid value (K in %.1f~%.1f, N in %.1f~%.1f)"), MIN_PA_K_VALUE, MAX_PA_K_VALUE, 0.6, 2.0);
         MessageDialog msg_dlg(nullptr, k_tips, wxEmptyString, wxICON_WARNING | wxOK);
         msg_dlg.ShowModal();
         return;
diff --git a/src/slic3r/GUI/ExtrusionCalibration.cpp b/src/slic3r/GUI/ExtrusionCalibration.cpp
index 8d5a939cba..e8d33c5655 100644
--- a/src/slic3r/GUI/ExtrusionCalibration.cpp
+++ b/src/slic3r/GUI/ExtrusionCalibration.cpp
@@ -5,6 +5,7 @@
 #include "I18N.hpp"
 #include <boost/log/trivial.hpp>
 #include <wx/dcgraph.h>
+#include "CalibUtils.hpp"
 
 namespace Slic3r { namespace GUI {
 
@@ -545,8 +546,8 @@ void ExtrusionCalibration::on_click_save(wxCommandEvent &event)
     wxString k_text = m_k_val->GetTextCtrl()->GetValue();
     wxString n_text = m_n_val->GetTextCtrl()->GetValue();
     if (!ExtrusionCalibration::check_k_validation(k_text)) {
-        wxString k_tips = _L("Please input a valid value (K in 0~0.3)");
-        wxString kn_tips = _L("Please input a valid value (K in 0~0.3, N in 0.6~2.0)");
+        wxString k_tips = wxString::Format(_L("Please input a valid value (K in %.1f~%.1f)"), MIN_PA_K_VALUE, MAX_PA_K_VALUE);
+        wxString kn_tips = wxString::Format(_L("Please input a valid value (K in %.1f~%.1f, N in %.1f~%.1f)"), MIN_PA_K_VALUE, MAX_PA_K_VALUE, 0.6, 2.0);
         MessageDialog msg_dlg(nullptr, k_tips, wxEmptyString, wxICON_WARNING | wxOK);
         msg_dlg.ShowModal();
         return;