diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index 38767ea62e..e9add773a6 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -1523,7 +1523,7 @@ void PrintConfigDef::init_fff_params()
 
     def = this->add("gcode_binary", coBool);
     def->label = L("Export as binary G-code");
-    def->tooltip = L("Exports G-code in binary format.");
+    def->tooltip = L("Export G-code in binary format.");
     def->mode = comExpert;
     def->set_default_value(new ConfigOptionBool(0));
 
@@ -5132,7 +5132,7 @@ OtherSlicingStatesConfigDef::OtherSlicingStatesConfigDef()
 
     def = this->add("is_extruder_used", coBools);
     def->label = L("Is extruder used?");
-    def->tooltip = L("Vector of bools stating whether a given extruder is used in the print.");
+    def->tooltip = L("Vector of booleans stating whether a given extruder is used in the print.");
 }
 
 PrintStatisticsConfigDef::PrintStatisticsConfigDef()
@@ -5220,7 +5220,7 @@ ObjectsInfoConfigDef::ObjectsInfoConfigDef()
     def->label = L("Scale per object");
     def->tooltip = L("Contains a string with the information about what scaling was applied to the individual objects. "
                      "Indexing of the objects is zero-based (first object has index 0).\n"
-                     "Example: 'x:100% y:50% z:100'.");
+                     "Example: 'x:100% y:50% z:100%'.");
 
     def = this->add("input_filename_base", coString);
     def->label = L("Input filename without extension");
@@ -5341,11 +5341,11 @@ CustomGcodeSpecificConfigDef::CustomGcodeSpecificConfigDef()
     def->tooltip = L("Zero-based index of the current layer (i.e. first layer is number 0).");
 
     def = this->add("layer_z", coFloat);
-    def->label = L("Layer z");
+    def->label = L("Layer Z");
     def->tooltip = L("Height of the current layer above the print bed, measured to the top of the layer.");
 
     def = this->add("max_layer_z", coFloat);
-    def->label = L("Maximal layer z");
+    def->label = L("Maximal layer Z");
     def->tooltip = L("Height of the last layer above the print bed.");
 
     def = this->add("filament_extruder_id", coInt);
@@ -5361,7 +5361,7 @@ CustomGcodeSpecificConfigDef::CustomGcodeSpecificConfigDef()
     def->tooltip = L("Index of the extruder that is being loaded. The index is zero based (first extruder has index 0).");
 
     def = this->add("toolchange_z", coFloat);
-    def->label = L("Toolchange z");
+    def->label = L("Toolchange Z");
     def->tooltip = L("Height above the print bed when the toolchange takes place. Usually the same as layer_z, but can be different.");
 }
 
diff --git a/src/slic3r/GUI/EditGCodeDialog.cpp b/src/slic3r/GUI/EditGCodeDialog.cpp
index 93c8d59c26..6a628f29ac 100644
--- a/src/slic3r/GUI/EditGCodeDialog.cpp
+++ b/src/slic3r/GUI/EditGCodeDialog.cpp
@@ -159,15 +159,15 @@ void EditGCodeDialog::init_params_list(const std::string& custom_gcode_name)
 
     // Add slicing states placeholders
 
-    wxDataViewItem slicing_state = m_params_list->AppendGroup(_L("[Global] Slicing State"), "re_slice");
+    wxDataViewItem slicing_state = m_params_list->AppendGroup(_L("[Global] Slicing state"), "re_slice");
     if (!cgp_ro_slicing_states_config_def.empty()) {
-        wxDataViewItem read_only = m_params_list->AppendSubGroup(slicing_state, _L("Read Only"), "lock_closed");
+        wxDataViewItem read_only = m_params_list->AppendSubGroup(slicing_state, _L("Read only"), "lock_closed");
         for (const auto& [opt_key, def]: cgp_ro_slicing_states_config_def.options)
             m_params_list->AppendParam(read_only, get_type(opt_key, def), opt_key);
     }
 
     if (!cgp_rw_slicing_states_config_def.empty()) {
-        wxDataViewItem read_write = m_params_list->AppendSubGroup(slicing_state, _L("Read Write"), "lock_open");
+        wxDataViewItem read_write = m_params_list->AppendSubGroup(slicing_state, _L("Read write"), "lock_open");
         for (const auto& [opt_key, def] : cgp_rw_slicing_states_config_def.options)
             m_params_list->AppendParam(read_write, get_type(opt_key, def), opt_key);
     }
@@ -175,7 +175,7 @@ void EditGCodeDialog::init_params_list(const std::string& custom_gcode_name)
     // add other universal params, which are related to slicing state
 
     if (!cgp_other_slicing_states_config_def.empty()) {
-        slicing_state = m_params_list->AppendGroup(_L("Slicing State"), "re_slice");
+        slicing_state = m_params_list->AppendGroup(_L("Slicing state"), "re_slice");
         for (const auto& [opt_key, def] : cgp_other_slicing_states_config_def.options)
             m_params_list->AppendParam(slicing_state, get_type(opt_key, def), opt_key);
     }
@@ -186,7 +186,7 @@ void EditGCodeDialog::init_params_list(const std::string& custom_gcode_name)
         // Add print statistics subgroup
 
         if (!cgp_print_statistics_config_def.empty()) {
-            wxDataViewItem statistics = m_params_list->AppendGroup(_L("Print Statistics"), "info");
+            wxDataViewItem statistics = m_params_list->AppendGroup(_L("Print statistics"), "info");
             for (const auto& [opt_key, def] : cgp_print_statistics_config_def.options)
                 m_params_list->AppendParam(statistics, get_type(opt_key, def), opt_key);
         }
@@ -194,7 +194,7 @@ void EditGCodeDialog::init_params_list(const std::string& custom_gcode_name)
         // Add objects info subgroup
 
         if (!cgp_objects_info_config_def.empty()) {
-            wxDataViewItem objects_info = m_params_list->AppendGroup(_L("Objects Info"), "advanced_plus");
+            wxDataViewItem objects_info = m_params_list->AppendGroup(_L("Objects info"), "advanced_plus");
             for (const auto& [opt_key, def] : cgp_objects_info_config_def.options)
                 m_params_list->AppendParam(objects_info, get_type(opt_key, def), opt_key);
         }