diff --git a/desktop/extensions-sdk/dev/api/backend.md b/desktop/extensions-sdk/dev/api/backend.md
index d3c356f5c713..04e144d096f2 100644
--- a/desktop/extensions-sdk/dev/api/backend.md
+++ b/desktop/extensions-sdk/dev/api/backend.md
@@ -170,3 +170,7 @@ window.ddClient.spawnHostCmd(
   }
 );
 ```
+
+> You cannot use this to chain commands in a single `exec()` invocation (like `cmd1 $(cmd2)` or using pipe between commands).
+>
+> You need to invoke `exec()` for each command and parse results to pass parameters to the next command if needed.
diff --git a/desktop/extensions-sdk/dev/api/docker.md b/desktop/extensions-sdk/dev/api/docker.md
index 6ff2208202bc..687e0b5a7ca3 100644
--- a/desktop/extensions-sdk/dev/api/docker.md
+++ b/desktop/extensions-sdk/dev/api/docker.md
@@ -1,5 +1,5 @@
 ---
-title: Docker 
+title: Docker
 description: Docker extension API
 keywords: Docker, extensions, sdk, API
 ---
@@ -128,6 +128,10 @@ await ddClient.docker.cli.exec(
 );
 ```
 
+> You cannot use this to chain commands in a single `exec()` invocation (like `docker kill $(docker ps -q)` or using pipe between commands).
+>
+> You need to invoke `exec()` for each command and parse results to pass parameters to the next command if needed.
+
 See the [Exec API reference](reference/interfaces/Exec.md) for details about these methods.
 
 > Deprecated execution of Docker commands