diff --git a/core.js b/core.js
index 66cdbb8..472e314 100644
--- a/core.js
+++ b/core.js
@@ -1172,8 +1172,8 @@ function gboot() {
         lang_init();
         init_svg_colors();
         welcome_modal();
-        $("input[name='displayMode']").on('change', on_display_mode_change);
-        on_display_mode_change();
+        $("input[name='displayMode']").on('change', on_stick_mode_change);
+        on_stick_mode_change();
     });
 
     if (!("hid" in navigator)) {
@@ -1610,7 +1610,7 @@ function apply_center_zoom(x, y) {
     };
 }
 
-function on_display_mode_change() {
+function on_stick_mode_change() {
     enable_circ_test = circ_checked();
     ll_data.fill(0);
     rr_data.fill(0);
@@ -2242,7 +2242,7 @@ async function multi_calib_sticks_end() {
         await ds4_calibrate_sticks_end();
     else
         await ds5_calibrate_sticks_end();
-    on_circ_check_change();
+    on_stick_mode_change();
 }
 
 async function multi_calib_sticks_sample() {
@@ -2273,7 +2273,7 @@ async function multi_calibrate_range_on_close() {
         await ds4_calibrate_range_end();
     else
         await ds5_calibrate_range_end();
-    on_circ_check_change();
+    on_stick_mode_change();
 }
 
 
diff --git a/index.html b/index.html
index 248006a..1be6657 100644
--- a/index.html
+++ b/index.html
@@ -302,7 +302,7 @@ dl.row dd { font-family: monospace; }
                           <label class="btn btn-outline-secondary btn-sm ds-i18n" for="normalMode">Normal</label>
 
                           <input type="radio" class="btn-check" name="displayMode" id="centerZoomMode" value="centerZoom">
-                          <label class="btn btn-outline-secondary btn-sm ds-i18n" for="centerZoomMode">Center zoom</label>
+                          <label class="btn btn-outline-secondary btn-sm ds-i18n" for="centerZoomMode">10x zoom</label>
 
                           <input type="radio" class="btn-check" name="displayMode" id="checkCircularityMode" value="checkCircularity">
                           <label class="btn btn-outline-secondary btn-sm ds-i18n" for="checkCircularityMode">Check circularity</label>