diff --git a/draw.js b/draw.js
index d291a27..5a6cfe7 100644
--- a/draw.js
+++ b/draw.js
@@ -371,6 +371,9 @@ var DrawingArea = new Lang.Class({
         } else if (this.currentElement && this.currentElement.shape == Shapes.LINE) {
             if (event.get_key_symbol() == Clutter.KEY_Return || event.get_key_symbol() == 65421 || event.get_key_symbol() == 65507) {
                 // 65507 is 'Ctrl' key alone
+                if (this.currentElement.points.length == 2)
+                    this.emit('show-osd', null, _("Press <i>%s</i> to get a fourth control point")
+                                                .format(Gtk.accelerator_get_label(Clutter.KEY_Return, 0)), "", -1);
                 this.currentElement.addPoint();
                 this.updatePointerCursor(true);
                 this._redisplay();
@@ -462,6 +465,8 @@ var DrawingArea = new Lang.Class({
             this.grabbedElementLocked = !this.grabbedElementLocked;
             if (this.grabbedElementLocked) {
                 this.updatePointerCursor();
+                let label = controlPressed ? _("Mark a point of symmetry") : _("Draw a line of symmetry");
+                this.emit('show-osd', null, label, "", -1);
                 return;
             }
         }
@@ -580,7 +585,7 @@ var DrawingArea = new Lang.Class({
         this.currentElement.startDrawing(startX, startY);
         
         if (this.currentTool == Shapes.POLYGON || this.currentTool == Shapes.POLYLINE)
-            this.emit('show-osd', null, _("Press <i>%s</i>\nto mark vertices").format(Gtk.accelerator_get_label(Clutter.KEY_Return, 0)), "", -1);
+            this.emit('show-osd', null, _("Press <i>%s</i> to mark vertices").format(Gtk.accelerator_get_label(Clutter.KEY_Return, 0)), "", -1);
         
         this.motionHandler = this.connect('motion-event', (actor, event) => {
             if (this.spaceKeyPressed)
@@ -627,7 +632,7 @@ var DrawingArea = new Lang.Class({
                 // start writing
                 this.currentElement.textState = TextStates.WRITING;
                 this.currentElement.text = '';
-                this.emit('show-osd', null, _("Type your text\nand press <i>%s</i>").format(Gtk.accelerator_get_label(Clutter.KEY_Escape, 0)), "", -1);
+                this.emit('show-osd', null, _("Type your text and press <i>%s</i>").format(Gtk.accelerator_get_label(Clutter.KEY_Escape, 0)), "", -1);
                 this._updateTextCursorTimeout();
                 this.textHasCursor = true;
                 this._redisplay();
@@ -804,7 +809,7 @@ var DrawingArea = new Lang.Class({
     
     incrementLineWidth: function(increment) {
         this.currentLineWidth = Math.max(this.currentLineWidth + increment, 0);
-        this.emit('show-osd', null, this.currentLineWidth + " " + _("px"), "", 2 * this.currentLineWidth);
+        this.emit('show-osd', null, _("%d px").format(this.currentLineWidth), "", 2 * this.currentLineWidth);
     },
     
     toggleLineJoin: function() {
@@ -1823,6 +1828,7 @@ var DrawingHelper = new Lang.Class({
             let hbox = new St.BoxLayout({ vertical: false });
             hbox.add_child(new St.Label({ text: _(Prefs.OTHER_SHORTCUTS[i].desc) }));
             hbox.add_child(new St.Label({ text: Prefs.OTHER_SHORTCUTS[i].shortcut, x_expand: true }));
+            hbox.get_children()[0].get_clutter_text().set_use_markup(true);
             this.vbox.add_child(hbox);
         }
         
@@ -2089,7 +2095,7 @@ const DrawingMenu = new Lang.Class({
     
     _addSliderItem: function(menu, target, targetProperty) {
         let item = new PopupMenu.PopupBaseMenuItem({ activate: false });
-        let label = new St.Label({ text: target[targetProperty] + " " + _("px"), style_class: 'draw-on-your-screen-menu-slider-label' });
+        let label = new St.Label({ text: _("%d px").format(target[targetProperty]), style_class: 'draw-on-your-screen-menu-slider-label' });
         let slider = new Slider.Slider(target[targetProperty] / 50);
         
         if (GS_VERSION < '3.33.0') {
diff --git a/locale/draw-on-your-screen.pot b/locale/draw-on-your-screen.pot
index c8d3bd4..e96e603 100644
--- a/locale/draw-on-your-screen.pot
+++ b/locale/draw-on-your-screen.pot
@@ -86,16 +86,26 @@ msgstr ""
 msgid "Full line"
 msgstr ""
 
-# %s is a key label
-msgid ""
-"Press <i>%s</i>\n"
-"to mark vertices"
+msgid "%d px"
+msgstr ""
+
+msgid "Press <i>%s</i> to get a fourth control point"
+msgstr ""
+
+msgid "Mark a point of symmetry"
+msgstr ""
+
+msgid "Draw a line of symmetry"
 msgstr ""
 
 # %s is a key label
 msgid ""
-"Type your text\n"
-"and press <i>%s</i>"
+"Press <i>%s</i> to mark vertices"
+msgstr ""
+
+# %s is a key label
+msgid ""
+"Type your text and press <i>%s</i>"
 msgstr ""
 
 msgid "Screenshot"
@@ -285,12 +295,6 @@ msgstr ""
 msgid "Center click"
 msgstr ""
 
-msgid "Transform shape (when drawing)"
-msgstr ""
-
-msgid "Rotate drawing (when moving)"
-msgstr ""
-
 msgid "Increment/decrement line width"
 msgstr ""
 
@@ -304,20 +308,41 @@ msgstr ""
 msgid "%s … %s"
 msgstr ""
 
-msgid "Select eraser (when starting drawing)"
-msgstr ""
-
-msgid "Duplicate drawing (when starting moving)"
+msgid "Ignore pointer movement"
 msgstr ""
 
 # %s is a key label
 msgid "%s held"
 msgstr ""
 
-msgid "Ignore pointer movement"
+msgid "Leave"
 msgstr ""
 
-msgid "Leave"
+msgid "Select eraser (when starting a drawing)"
+msgstr ""
+
+msgid "Duplicate (when starting a transformation)"
+msgstr ""
+
+msgid "Rotate rectangle, polygon, polyline, text area"
+msgstr ""
+
+msgid "Extend circle to ellipse"
+msgstr ""
+
+msgid "Curve line"
+msgstr ""
+
+msgid "Smooth free drawing stroke"
+msgstr ""
+
+msgid "Rotate (when moving)"
+msgstr ""
+
+msgid "Stretch (when resizing)"
+msgstr ""
+
+msgid "Inverse (when mirroring)"
 msgstr ""
 
 #: About page
@@ -432,6 +457,3 @@ msgstr ""
 #msgid "Fantasy"
 #msgstr ""
 
-#msgid "px"
-#msgstr ""
-
diff --git a/prefs.js b/prefs.js
index b342cc2..5e5c947 100644
--- a/prefs.js
+++ b/prefs.js
@@ -56,26 +56,27 @@ var INTERNAL_KEYBINDINGS = {
     'select-move-tool': "Select move",
     'select-resize-tool': "Select resize",
     'select-mirror-tool': "Select mirror",
-    'toggle-fill': "Toggle fill/stroke",
     '-separator-2': '',
+    'toggle-fill': "Toggle fill/stroke",
+    'toggle-fill-rule': "Change fill rule",
+    '-separator-3': '',
     'increment-line-width': "Increment line width",
     'decrement-line-width': "Decrement line width",
     'increment-line-width-more': "Increment line width even more",
     'decrement-line-width-more': "Decrement line width even more",
     'toggle-linejoin': "Change linejoin",
     'toggle-linecap': "Change linecap",
-    'toggle-fill-rule': "Change fill rule",
     'toggle-dash': "Dashed line",
-    '-separator-3': '',
+    '-separator-4': '',
     'toggle-font-family': "Change font family (generic name)",
     'toggle-font-weight': "Change font weight",
     'toggle-font-style': "Change font style",
-    '-separator-4': '',
+    '-separator-5': '',
     'toggle-panel-and-dock-visibility': "Hide panel and dock",
     'toggle-background': "Add a drawing background",
     'toggle-grid': "Add a grid overlay",
     'toggle-square-area': "Square drawing area",
-    '-separator-5': '',
+    '-separator-6': '',
     'open-previous-json': "Open previous drawing",
     'open-next-json': "Open next drawing",
     'save-as-json': "Save drawing",
@@ -97,14 +98,20 @@ var OTHER_SHORTCUTS = [
     { desc: "Draw", get shortcut() { return _("Left click"); } },
     { desc: "Menu", get shortcut() { return _("Right click"); } },
     { desc: "Toggle fill/stroke", get shortcut() { return _("Center click"); } },
-    { desc: "Transform shape (when drawing)", shortcut: getKeyLabel('<Primary>') },
-    { desc: "Rotate drawing (when moving)", shortcut: getKeyLabel('<Primary>') },
     { desc: "Increment/decrement line width", get shortcut() { return _("Scroll"); } },
     { desc: "Select color", get shortcut() { return _("%s … %s").format(getKeyLabel('<Primary>1'), getKeyLabel('<Primary>9')); } },
-    { desc: "Select eraser (when starting drawing)", get shortcut() { return _("%s held").format(getKeyLabel('<Shift>')); } },
-    { desc: "Duplicate drawing (when starting moving)", get shortcut() { return _("%s held").format(getKeyLabel('<Shift>')); } },
     { desc: "Ignore pointer movement", get shortcut() { return _("%s held").format(getKeyLabel('space')); } },
-    { desc: "Leave", shortcut: getKeyLabel('Escape') }
+    { desc: "Leave", shortcut: getKeyLabel('Escape') },
+    { desc: "-separator-1", shortcut: "" },
+    { desc: "Select eraser <span alpha=\"50%\">(while starting a drawing)</span>", shortcut: "%s".format(getKeyLabel('<Shift>')) },
+    { desc: "Duplicate <span alpha=\"50%\">(while starting a transformation)</span>", shortcut: "%s".format(getKeyLabel('<Shift>')) },
+    { desc: "Rotate rectangle, polygon, polyline, text area", shortcut: getKeyLabel('<Primary>') },
+    { desc: "Extend circle to ellipse", shortcut: getKeyLabel('<Primary>') },
+    { desc: "Curve line", shortcut: getKeyLabel('<Primary>') },
+    { desc: "Smooth free drawing stroke", shortcut: getKeyLabel('<Primary>') },
+    { desc: "Rotate <span alpha=\"50%\">(while moving)</span>", shortcut: getKeyLabel('<Primary>') },
+    { desc: "Stretch <span alpha=\"50%\">(while resizing)</span>", shortcut: getKeyLabel('<Primary>') },
+    { desc: "Inverse <span alpha=\"50%\">(while mirroring)</span>", shortcut: getKeyLabel('<Primary>') }
 ];
 
 function init() {
@@ -286,7 +293,7 @@ const PrefsPage = new GObject.Class({
                 continue;
             }
             let otherBox = new Gtk.Box({ margin_left: MARGIN, margin_right: MARGIN });
-            let otherLabel = new Gtk.Label({ label: _(OTHER_SHORTCUTS[i].desc) });
+            let otherLabel = new Gtk.Label({ label: _(OTHER_SHORTCUTS[i].desc), use_markup: true });
             otherLabel.set_halign(1);
             let otherLabel2 = new Gtk.Label({ label: OTHER_SHORTCUTS[i].shortcut });
             otherBox.pack_start(otherLabel, true, true, 4);