1 files changed, 3 insertions, 0 deletions
diff --git a/README.md b/README.md
index d5cbbbc..aecf2fe 100644
--- a/README.md
+++ b/README.md
@@ -80,6 +80,7 @@ The parser recognizes the following grammar:
           | 'd' Die
           | Die ' + ' Die
           | Die ' - ' Die
+          | Die ' * ' Die
           | Die '+' Die
           | Die '-' Die
           | '-' Die
@@ -106,6 +107,8 @@ Semantics are defined in terms of the `pool` function.
   `D`.
 * `-D` returns the opposites of values generated by `D`.
 * `D - E` is equivalent to `D + (-E)`.
+* `D * E` generates a dicepool with a single value - the produc of `roll(D)` and
+  `roll(E)`.
 * `D+E` is the additive bonus operation. For each die in `D`'s pool, the die is
   rolled and `roll(E)` is added to its result.
 * `D-E` is equivalent to `D+(-E)`.