diff -r 32dcd783a985 -r 904647f7d983 rust/rhg/src/commands/files.rs
--- a/rust/rhg/src/commands/files.rs	Tue Dec 01 02:07:15 2020 +0100
+++ b/rust/rhg/src/commands/files.rs	Mon Nov 30 19:26:54 2020 +0100
@@ -85,7 +85,7 @@
             ListRevTrackedFilesErrorKind::InvalidRevision => {
                 CommandErrorKind::Abort(Some(
                     utf8_to_local(&format!(
-                        "abort: invalid revision identifier{}\n",
+                        "abort: invalid revision identifier {}\n",
                         rev
                     ))
                     .into(),