Update localizations and improve strings (#15739)

src/libslic3r/PrintConfig.cpp

@@ -6302,6 +6302,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("wipe_inward_distance", coFloatOrPercent);
     def->label = L("Wipe inward distance");
     def->category = L("Quality");
+    // xgettext:no-c-format, no-boost-format
     def->tooltip = L("The distance the wipe path is shifted away from the external perimeter, specified in millimeters "
                      "or as a percentage of the actual outer-wall extrusion width.\n\n"
                      "For example, 50% shifts the path by half of the outer-wall width. The effective offset is limited "
@@ -6762,7 +6763,7 @@ void PrintConfigDef::init_fff_params()
 
     def = this->add("slicing_mode", coEnum);
     def->label = L("Slicing Mode");
-    def->category = L("Other");
+    def->category = L("Others");
     def->tooltip = L("Use \"Even-odd\" for 3DLabPrint airplane models. Use \"Close holes\" to close all holes in the model.");
     def->enum_keys_map = &ConfigOptionEnum<SlicingMode>::get_enum_values();
     def->enum_values.push_back("regular");