[clangd] Fix typo in comment

[kadircet]

Thanks! LMK if i should land this for you (and an email address to set as commit author)

[Eymay]

Thanks @kadircet. Can you land this patch for me?
Please use “Eymen Ünay [e-mail]" to commit the change.

clang-tools-extra/clangd/Protocol.h

struct ConfigurationSettings {
   std::map<std::string, ClangdCompileCommand> compilationDatabaseChanges;
 };
 bool fromJSON(const llvm::json::Value &, ConfigurationSettings &,
               llvm::json::Path);
 
 /// Clangd extension: parameters configurable at `initialize` time.
 /// LSP defines this type as `any`.
 struct InitializationOptions {
-  // What we can change throught the didChangeConfiguration request, we can
+  // What we can change through the didChangeConfiguration request, we can
   // also set through the initialize request (initializationOptions field).
   ConfigurationSettings ConfigSettings;
 
   std::optional<std::string> compilationDatabasePath;
   // Additional flags to be included in the "fallback command" used when
   // the compilation database doesn't describe an opened file.
   // The command used will be approximately `clang $FILE $fallbackFlags`.
   std::vector<std::string> fallbackFlags;