diff --git a/README.md b/README.md
index 16890867..c617d485 100644
--- a/README.md
+++ b/README.md
@@ -247,6 +247,13 @@ Compression tools:
       --fast-coeff-table <string> : Read custom weights for residual
                                     coefficients from a file instead of using
                                     defaults [default]
+      --fast-rd-sampling : Enable learning data sampling for fast coefficient
+                           table generation
+      --fastrd-accuracy-check : Evaluate the accuracy of fast coefficient
+                                prediction
+      --fastrd-outdir : Directory to which to output sampled data or accuracy
+                        data, into <fastrd-outdir>/0.txt to 50.txt, one file
+                        for each QP that blocks were estimated on
       --(no-)intra-rdo-et    : Check intra modes in rdo stage only until
                                a zero coefficient CU is found. [disabled]
       --(no-)early-skip      : Try to find skip cu from merge candidates.