Clarify ATVM host detail column heading

atvm/docs/automation/status-template.md

@@ -21,7 +21,7 @@ Use this as the default ATVM automation run-status template for:
 
 **HOSTS:**
 
-| Host | Kernel | Status | Detail |
+| Host | Kernel | Status | Detail (For failures, see below for more details) |
 |---|---|---|---|
 | <host-name> | <kernel-version or unknown> | ✅ PASS | completed |
 | <host-name> | <kernel-version or unknown> | ⚠️ FAIL | <useful failure description> |

atvm/watcher-service/atvm_run_watcher.py

@@ -1247,7 +1247,7 @@ def build_status_markdown(
                 f"{host.host} failure excerpt: `{compact_failure_detail(failure_excerpt_source, limit=420)}`"
             )
 
-    host_lines = ["| Host | Kernel | Status | Detail |", "| --- | --- | --- | --- |"]
+    host_lines = ["| Host | Kernel | Status | Detail (For failures, see below for more details) |", "| --- | --- | --- | --- |"]
     for host in ordered_hosts:
         icon = {
             "PASS": "✅ PASS",