diff --git a/src/bin/dust.rs b/src/bin/dust.rs
index b727502..a94d623 100644
--- a/src/bin/dust.rs
+++ b/src/bin/dust.rs
@@ -67,7 +67,7 @@ impl DustReadline {
             tool_hints: TOOL_LIST
                 .iter()
                 .map(|tool| ToolHint {
-                    display: tool.info().identifier.to_string(),
+                    display: tool.info().identifier.to_string() + "()",
                     complete_to: tool.info().identifier.len(),
                 })
                 .collect(),