diff --git a/programs/obfuscator/Obfuscator.cpp b/programs/obfuscator/Obfuscator.cpp
index 2021a2556cd..4821848ebbf 100644
--- a/programs/obfuscator/Obfuscator.cpp
+++ b/programs/obfuscator/Obfuscator.cpp
@@ -1221,7 +1221,7 @@ try
         ("input-format", po::value<std::string>(), "input format of the initial table data")
         ("output-format", po::value<std::string>(), "default output format")
         ("seed", po::value<std::string>(), "seed (arbitrary string), must be random string with at least 10 bytes length; note that a seed for each column is derived from this seed and a column name: you can obfuscate data for different tables and as long as you use identical seed and identical column names, the data for corresponding non-text columns for different tables will be transformed in the same way, so the data for different tables can be JOINed after obfuscation")
-        ("limit", po::value<UInt64>(), "if specified - stop after generating that number of rows")
+        ("limit", po::value<UInt64>(), "if specified - stop after generating that number of rows; the limit can be also greater than the number of source dataset - in this case it will process the dataset in a loop more than one time, using different seeds on every iteration, generating result as large as needed")
         ("silent", po::value<bool>()->default_value(false), "don't print information messages to stderr")
         ("save", po::value<std::string>(), "save the models after training to the specified file. You can use --limit 0 to skip the generation step. The file is using binary, platform-dependent, opaque serialization format. The model parameters are saved, while the seed is not.")
         ("load", po::value<std::string>(), "load the models instead of training from the specified file. The table structure must match the saved file. The seed should be specified separately, while other model parameters are loaded.")