diff --git a/rsconcept/frontend/src/app/global-tooltips.tsx b/rsconcept/frontend/src/app/global-tooltips.tsx
index bfe31330..ddea32d8 100644
--- a/rsconcept/frontend/src/app/global-tooltips.tsx
+++ b/rsconcept/frontend/src/app/global-tooltips.tsx
@@ -11,7 +11,7 @@ export const GlobalTooltips = () => {
         id={globalIDs.tooltip}
         layer='z-topmost'
         place='right-start'
-        className='mt-8 max-w-80 break-words rounded-lg!'
+        className='mt-8 max-w-80 break-words rounded-lg! select-none'
       />
       <Tooltip
         float
diff --git a/rsconcept/frontend/src/features/rsform/dialogs/dlg-show-type-graph/graph/mgraph-node.tsx b/rsconcept/frontend/src/features/rsform/dialogs/dlg-show-type-graph/graph/mgraph-node.tsx
index 588515b4..4a0ed10e 100644
--- a/rsconcept/frontend/src/features/rsform/dialogs/dlg-show-type-graph/graph/mgraph-node.tsx
+++ b/rsconcept/frontend/src/features/rsform/dialogs/dlg-show-type-graph/graph/mgraph-node.tsx
@@ -20,9 +20,9 @@ interface MGraphNodeInternal {
 
 export function MGraphNode(node: MGraphNodeInternal) {
   const tooltipText =
-    `Ступень ${node.data.text}` +
+    `<span class="font-math">${node.data.text}</span>` +
     '<br/>' +
-    (node.data.annotations.length === 0 ? '' : `Конституенты: ${node.data.annotations.join(' ')}`);
+    (node.data.annotations.length === 0 ? '' : `<b>Конституенты</b> ${node.data.annotations.join(' ')}`);
 
   return (
     <>
diff --git a/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-rsexpression/toolbar-rsexpression.tsx b/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-rsexpression/toolbar-rsexpression.tsx
index 02336e24..7fc29d3a 100644
--- a/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-rsexpression/toolbar-rsexpression.tsx
+++ b/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-rsexpression/toolbar-rsexpression.tsx
@@ -23,18 +23,18 @@ export function ToolbarRSExpression({ className, disabled, showTypeGraph, showAS
     <div className={cn('cc-icons', className)}>
       {!disabled || isProcessing ? (
         <MiniButton
-          title='Отображение специальной клавиатуры'
+          title='Символьная клавиатура'
           icon={<IconShowKeyboard value={showControls} size='1.25rem' className='hover:text-primary' />}
           onClick={toggleControls}
         />
       ) : null}
       <MiniButton
-        title='Граф ступеней типизации'
+        title='Структура типизации'
         icon={<IconTypeGraph size='1.25rem' className='hover:text-primary' />}
         onClick={showTypeGraph}
       />
       <MiniButton
-        title='Дерево разбора выражения'
+        title='Структура выражения'
         onClick={showAST}
         icon={<IconTree size='1.25rem' className='hover:text-primary' />}
       />