diff --git a/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/internal/server/CLanguageServerEnableCache.java b/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/internal/server/CLanguageServerEnableCache.java
index ea47e304..59c137dc 100644
--- a/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/internal/server/CLanguageServerEnableCache.java
+++ b/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/internal/server/CLanguageServerEnableCache.java
@@ -33,11 +33,12 @@
 
 /**
  * Caches the Language Server enable for a given resource URI. Used by {@link HasLanguageServerPropertyTester#test(Object, String, Object[], Object)}
- * The cache is getting cleared on changes in the C/C++ related content types.
+ * The cache is getting cleared on changes in the C/C++ related content types. The cache gets restored for all opened files in the LSP based editor
+ * if their content type still matches a C/C++ source or header type.
  *
  * The cache is limited to 100 elements. The oldest entry will be removed.
  * A resource URI shall be removed from the cache if it's getting closed in the editor.
- * The enable Language Server is cached when the file has been opened in the LSP based C/C++ editor.
+ * The enable Language Server is cached when the file has been opened in the LSP based C/C++ editor and the opened file matches a C/C++ content type.
  */
 public final class CLanguageServerEnableCache implements IContentTypeChangeListener, IPartListener, IWindowListener {