Index: clang-tools-extra/clangd/Protocol.cpp
===================================================================
--- clang-tools-extra/clangd/Protocol.cpp
+++ clang-tools-extra/clangd/Protocol.cpp
@@ -895,8 +895,16 @@
                             {"range", S.range},
                             {"selectionRange", S.selectionRange}};
 
-  if (!S.detail.empty())
+  if (!S.detail.empty()) {
+    if (S.kind == SymbolKind::Method || S.kind == SymbolKind::Function) {
+      llvm::StringRef Detail{S.detail};
+      const auto Start = Detail.find_first_of('(');
+      const auto End = Detail.find_last_of(')');
+      const auto Distance = End - Start;
+      Result["name"] = S.name + Detail.substr(Start, Distance).str() + ')';
+    }
     Result["detail"] = S.detail;
+  }
   if (!S.children.empty())
     Result["children"] = S.children;
   if (S.deprecated)
Index: clang-tools-extra/clangd/test/symbols.test
===================================================================
--- clang-tools-extra/clangd/test/symbols.test
+++ clang-tools-extra/clangd/test/symbols.test
@@ -36,7 +36,7 @@
 # CHECK-NEXT:      {
 # CHECK-NEXT:        "detail": "void ()",
 # CHECK-NEXT:        "kind": 12,
-# CHECK-NEXT:        "name": "foo",
+# CHECK-NEXT:        "name": "foo()",
 # CHECK-NEXT:        "range": {
 # CHECK-NEXT:          "end": {
 # CHECK-NEXT:            "character": {{.*}},
@@ -61,7 +61,7 @@
 # CHECK-NEXT:      {
 # CHECK-NEXT:        "detail": "int ()",
 # CHECK-NEXT:        "kind": 12,
-# CHECK-NEXT:        "name": "main",
+# CHECK-NEXT:        "name": "main()",
 # CHECK-NEXT:        "range": {
 # CHECK-NEXT:          "end": {
 # CHECK-NEXT:            "character": {{.*}},