diff --git a/bluesky/output.py b/bluesky/output.py
index 4d70da1..03438cf 100644
--- a/bluesky/output.py
+++ b/bluesky/output.py
@@ -299,7 +299,7 @@ class BlueskyOutputService(BlueskyService, OutputService):
                         name = "💾 " + attachment.name
 
                 if len(name) > 28:
-                    name = name[: 28 - 1] + "…"
+                    name = name[: 28 - 3] + "..."
 
                 tokens.append(LinkToken(href=url, label=f"[{name}]"))
                 tokens.append(TextToken(text=" "))
diff --git a/bluesky/richtext.py b/bluesky/richtext.py
index 2eecf2f..3e8dc1c 100644
--- a/bluesky/richtext.py
+++ b/bluesky/richtext.py
@@ -134,7 +134,7 @@ def tokens_to_richtext(tokens: list[Token]) -> tuple[str, list[Facet]] | None:
                     max_label_len = 30
                     label_bytes = label.encode("utf-8")
                     if len(label_bytes) > max_label_len:
-                        label = label[: max_label_len - 1] + "…"
+                        label = label[: max_label_len - 3] + "..."
                         label_bytes = label.encode("utf-8")
                 else:
                     label_bytes = label.encode("utf-8")