diff --git a/clang-tools-extra/clangd/tool/ClangdMain.cpp b/clang-tools-extra/clangd/tool/ClangdMain.cpp
--- a/clang-tools-extra/clangd/tool/ClangdMain.cpp
+++ b/clang-tools-extra/clangd/tool/ClangdMain.cpp
@@ -122,8 +122,7 @@
 opt<bool> EnableBackgroundIndex{
     "background-index",
     cat(Features),
-    desc("Index project code in the background and persist index on disk. "
-         "Experimental"),
+    desc("Index project code in the background and persist index on disk."),
     init(true),
 };