diff --git a/plugins/kotlin/code-insight/kotlin.code-insight.k2/src/org/jetbrains/kotlin/idea/k2/codeinsight/quickDoc/KotlinIdeDeclarationRenderer.kt b/plugins/kotlin/code-insight/kotlin.code-insight.k2/src/org/jetbrains/kotlin/idea/k2/codeinsight/quickDoc/KotlinIdeDeclarationRenderer.kt
index 6cfd37c598a9..13d5d63cd4e5 100644
--- a/plugins/kotlin/code-insight/kotlin.code-insight.k2/src/org/jetbrains/kotlin/idea/k2/codeinsight/quickDoc/KotlinIdeDeclarationRenderer.kt
+++ b/plugins/kotlin/code-insight/kotlin.code-insight.k2/src/org/jetbrains/kotlin/idea/k2/codeinsight/quickDoc/KotlinIdeDeclarationRenderer.kt
@@ -486,7 +486,14 @@ internal class KotlinIdeDeclarationRenderer(
         return object : KtDeclarationNameRenderer {
             context(KtAnalysisSession, KtDeclarationRenderer)
             override fun renderName(name: Name, symbol: KtNamedSymbol?, printer: PrettyPrinter) {
-                if (symbol is KtClassOrObjectSymbol && symbol.classKind == KtClassKind.COMPANION_OBJECT && symbol.name == SpecialNames.DEFAULT_NAME_FOR_COMPANION_OBJECT) return
+                if (symbol is KtClassOrObjectSymbol && symbol.classKind == KtClassKind.COMPANION_OBJECT && symbol.name == SpecialNames.DEFAULT_NAME_FOR_COMPANION_OBJECT) {
+                    val className = (symbol.getContainingSymbol() as? KtClassOrObjectSymbol)?.name
+                    if (className != null) {
+                        printer.append(highlight("of ") { asInfo } )
+                        printer.append(highlight(className.renderName()) { asClassName } )
+                    }
+                    return
+                }
                 if (symbol is KtEnumEntrySymbol) {
                     printer.append(highlight("enum entry") { asKeyword })
                     printer.append(" ")
diff --git a/plugins/kotlin/fir/tests/test/org/jetbrains/kotlin/idea/fir/documentation/FirQuickDocTestGenerated.java b/plugins/kotlin/fir/tests/test/org/jetbrains/kotlin/idea/fir/documentation/FirQuickDocTestGenerated.java
index c6527cf996b4..b750399a28c0 100644
--- a/plugins/kotlin/fir/tests/test/org/jetbrains/kotlin/idea/fir/documentation/FirQuickDocTestGenerated.java
+++ b/plugins/kotlin/fir/tests/test/org/jetbrains/kotlin/idea/fir/documentation/FirQuickDocTestGenerated.java
@@ -198,6 +198,11 @@ public class FirQuickDocTestGenerated extends AbstractFirQuickDocTest {
         runTest("../../idea/tests/testData/editor/quickDoc/OnClassDeclarationWithNoPackage.kt");
     }
 
+    @TestMetadata("OnCompanionObject.kt")
+    public void testOnCompanionObject() throws Exception {
+        runTest("../../idea/tests/testData/editor/quickDoc/OnCompanionObject.kt");
+    }
+
     @TestMetadata("OnEmptySecondaryConstructor.kt")
     public void testOnEmptySecondaryConstructor() throws Exception {
         runTest("../../idea/tests/testData/editor/quickDoc/OnEmptySecondaryConstructor.kt");
diff --git a/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/editor/quickDoc/QuickDocProviderTestGenerated.java b/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/editor/quickDoc/QuickDocProviderTestGenerated.java
index 8ac2ed5d3666..dba9839583b2 100644
--- a/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/editor/quickDoc/QuickDocProviderTestGenerated.java
+++ b/plugins/kotlin/idea/tests/test/org/jetbrains/kotlin/idea/editor/quickDoc/QuickDocProviderTestGenerated.java
@@ -198,6 +198,11 @@ public class QuickDocProviderTestGenerated extends AbstractQuickDocProviderTest
         runTest("testData/editor/quickDoc/OnClassDeclarationWithNoPackage.kt");
     }
 
+    @TestMetadata("OnCompanionObject.kt")
+    public void testOnCompanionObject() throws Exception {
+        runTest("testData/editor/quickDoc/OnCompanionObject.kt");
+    }
+
     @TestMetadata("OnEmptySecondaryConstructor.kt")
     public void testOnEmptySecondaryConstructor() throws Exception {
         runTest("testData/editor/quickDoc/OnEmptySecondaryConstructor.kt");
diff --git a/plugins/kotlin/idea/tests/testData/editor/quickDoc/OnCompanionObject.kt b/plugins/kotlin/idea/tests/testData/editor/quickDoc/OnCompanionObject.kt
new file mode 100644
index 000000000000..c36902efe887
--- /dev/null
+++ b/plugins/kotlin/idea/tests/testData/editor/quickDoc/OnCompanionObject.kt
@@ -0,0 +1,6 @@
+class CompanionContainer {
+    companion obje<caret>ct
+}
+
+//K2_INFO: <div class='definition'><pre><span style="color:#000080;font-weight:bold;">public</span> <span style="color:#000080;font-weight:bold;">companion</span> <span style="color:#000080;font-weight:bold;">object</span> <span style="color:#808080;font-style:italic;">of </span><span style="color:#000000;">CompanionContainer</span></pre></div><div class='bottom'><icon src="/org/jetbrains/kotlin/idea/icons/classKotlin.svg"/>&nbsp;<a href="psi_element://CompanionContainer"><code><span style="color:#000000;">CompanionContainer</span></code></a><br/></div>
+//INFO: <div class='definition'><pre><span style="color:#000080;font-weight:bold;">public</span> <span style="color:#000080;font-weight:bold;">companion object</span> <span style="color:#808080;font-style:italic;">of </span><span style="color:#000000;">CompanionContainer</span></pre></div><div class='bottom'><icon src="/org/jetbrains/kotlin/idea/icons/classKotlin.svg"/>&nbsp;<a href="psi_element://CompanionContainer"><code><span style="color:#000000;">CompanionContainer</span></code></a><br/></div>