edit api doc.

microsoft · Apr 1, 2024 · e26aefc · e26aefc
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diff --git a/website/docs/commands/api-compatibility.md b/website/docs/commands/api-compatibility.md
@@ -213,8 +213,8 @@ Note that this list is subject to change as we continue to expand our API comman
 |  | [TIME](server.md#time) | ➕ |  |
 | <span id="set">**SET**</span> | [SADD](data-structures.md#sadd) | ➕ |  |
 |  | [SCARD](data-structures.md#scard) | ➕ |  |
-|  | SDIFF | ➖ |  |
-|  | SDIFFSTORE | ➖ |  |
+|  | [SDIFF](data-structures.md#sdiff) | ➕ |  |
+|  | [SDIFFSTORE](data-structures.md#sdiffstore) | ➕ |  |
 |  | SINTER | ➖ |  |
 |  | SINTERCARD | ➖ |  |
 |  | SINTERSTORE | ➖ |  |

diff --git a/website/docs/commands/data-structures.md b/website/docs/commands/data-structures.md
@@ -480,6 +480,34 @@ The **match** parameter allows to apply a filter to elements after they have bee
 
 ---
 
+### SDIFF
+
+#### Syntax
+
+```bash
+    SDIFF key [key ...]
+```
+
+Returns the members of the set resulting from the difference between the **first** set and all the successive sets. 
+
+**Keys** that do not exist are considered to be empty sets.
+
+---
+
+### SDIFFSTORE
+
+#### Syntax
+
+```bash
+    SDIFFSTORE destination key [key ...]
+```
+
+This command is equal to [SDIFF](#SDIFF), but instead of returning the resulting set, it is stored in **destination**. 
+
+If **destination** already exists, it is overwritten.
+
+---
+
 ## Sorted Set
 
 ### ZADD