Fix description typo for upgrade mcp job

Change-Id: Iaf08c6126d0cdf14e51c2e9e8ba541f16d2a9a9e
Related-Prod: PROD-29359 (PROD:29359)
(cherry picked from commit 11f432b312bbd2cf7aea7c8a13f6f8114d754a3a)
diff --git a/jenkins/client/job/deploy/update/upgrade_mcp_release.yml b/jenkins/client/job/deploy/update/upgrade_mcp_release.yml
index 577e6ac..a4821f9 100644
--- a/jenkins/client/job/deploy/update/upgrade_mcp_release.yml
+++ b/jenkins/client/job/deploy/update/upgrade_mcp_release.yml
@@ -29,7 +29,7 @@
             MK_PIPELINES_REFSPEC:
               type: string
               default: ""
-              description: "Version of mk-pipelines git repo to be used. Must be same as TARGET_MCP_VERSION"
+              description: "Version of mk-pipelines git repo to be used. Should be release/TARGET_MCP_VERSION"
             TARGET_MCP_VERSION:
               type: string
               default: ""