From db5b7901b9057abe71ff565aacc5771d0e6fa0fd Mon Sep 17 00:00:00 2001
From: Mashhur <99575341+mashhurs@users.noreply.github.com>
Date: Wed, 1 Oct 2025 09:14:45 -0700
Subject: [PATCH] Updates Logstash pipeline ID description to point out the
 restrictions/acceptance. (#135557)

(cherry picked from commit 83072b0bd63bb98c15934a75c7bb8a356d345d40)
---
 docs/reference/rest-api/logstash/put-pipeline.asciidoc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/reference/rest-api/logstash/put-pipeline.asciidoc b/docs/reference/rest-api/logstash/put-pipeline.asciidoc
index 26af8d0f124cb..3299f50c90c51 100644
--- a/docs/reference/rest-api/logstash/put-pipeline.asciidoc
+++ b/docs/reference/rest-api/logstash/put-pipeline.asciidoc
@@ -36,7 +36,9 @@ replaced.
 ==== {api-path-parms-title}
 
 `<pipeline_id>`::
-  (Required, string) Identifier for the pipeline.
+(Required, string)
+Identifier for the pipeline.
+It must begin with a letter or underscore and can contain only letters, underscores, dashes, hyphens, and numbers.
 
 [[logstash-api-put-pipeline-request-body]]
 ==== {api-request-body-title}