diff --git a/docs/escape_support.md b/docs/escape_support.md
index 6a1047a9..f95c1e2c 100644
--- a/docs/escape_support.md
+++ b/docs/escape_support.md
@@ -65,7 +65,10 @@ brevity.
 | `CSI l`    | PARTIAL     | See `CSI h` for supported modes                   |
 | `CSI ? l`  | PARTIAL     | See `CSI ? h` for supported modes                 |
 | `CSI M`    | IMPLEMENTED |                                                   |
-| `CSI m`    | IMPLEMENTED |                                                   |
+| `CSI m`    | IMPLEMENTED | Supported parameters:                             |
+|            |             |   `0`-`9`, `21`-`25`, `27`-`49`, `58`, `59`       |
+|            |             |   `90`-`97`, `100`-`107`                          |
+|            | REJECTED    | `11`-`19`, `51`-`55`                              |
 | `CSI n`    | IMPLEMENTED |                                                   |
 | `CSI P`    | IMPLEMENTED |                                                   |
 | `CSI SP q` | IMPLEMENTED |                                                   |