diff --git a/src/search/display/glob_result.rs b/src/search/display/glob_result.rs
index d55e088..bca9636 100644
--- a/src/search/display/glob_result.rs
+++ b/src/search/display/glob_result.rs
@@ -49,7 +49,7 @@ pub(super) fn format_glob_result(
     label: &str,
 ) -> Result<String, SrcwalkError> {
     let header = format!(
-        "# {label}: \"{}\" in {} — {} of {} files (offset {})",
+        "# {label}: \"{}\" in {} — {} of {} files (offset {}, sizes ~= tokens)",
         result.pattern,
         crate::format::display_path(scope),
         result.files.len(),
diff --git a/src/search/glob.rs b/src/search/glob.rs
index 1d78ba9..4082caf 100644
--- a/src/search/glob.rs
+++ b/src/search/glob.rs
@@ -187,18 +187,18 @@ pub fn search_with_scope_glob(
     })
 }
 
-/// Quick preview: token estimate plus a one-line summary for code/text files.
-/// For code files, the summary is the first non-empty doc/comment or code line
-/// (truncated to ~80 chars). For other files, only the token estimate is shown.
+/// Quick preview: approximate token count plus a one-line summary for code/text files.
+/// The unit is declared once in the result header, so per-file rows keep only the
+/// compact `~N` size marker.
 fn file_preview(path: &Path) -> Option<String> {
     let meta = std::fs::metadata(path).ok()?;
     let tokens = estimate_tokens(meta.len());
 
     let summary = first_meaningful_line(path).unwrap_or_default();
     if summary.is_empty() {
-        Some(format!("~{tokens} tokens"))
+        Some(format!("~{tokens}"))
     } else {
-        Some(format!("~{tokens} tokens · {summary}"))
+        Some(format!("~{tokens} · {summary}"))
     }
 }
 
diff --git a/tests/files_and_symbol_glob.rs b/tests/files_and_symbol_glob.rs
index e5ae3b6..75bb002 100644
--- a/tests/files_and_symbol_glob.rs
+++ b/tests/files_and_symbol_glob.rs
@@ -203,6 +203,10 @@ fn files_action_lists_file_globs() {
         &dir.join("controllers/front/ProductController.php"),
         "<?php\nclass ProductController {}\n",
     );
+    write_file(
+        &dir.join("controllers/front/EmptyController.php"),
+        "////\n---\n",
+    );
     write_file(
         &dir.join("controllers/admin/AdminController.php"),
         "<?php\nclass AdminController {}\n",
@@ -233,7 +237,15 @@ fn files_action_lists_file_globs() {
         "bad header:\n{stdout}"
     );
     assert!(
-        normalized.contains("controllers/front/ (2)"),
+        normalized.contains("sizes ~= tokens"),
+        "file result header should declare token unit once:\n{stdout}"
+    );
+    assert!(
+        !normalized.contains("tokens ·"),
+        "file rows should not repeat the token unit:\n{stdout}"
+    );
+    assert!(
+        normalized.contains("controllers/front/ (3)"),
         "missing grouped directory:\n{stdout}"
     );
     assert!(
@@ -244,6 +256,14 @@ fn files_action_lists_file_globs() {
         stdout.contains("  ProductController.php"),
         "missing product:\n{stdout}"
     );
+    let empty_line = normalized
+        .lines()
+        .find(|line| line.contains("EmptyController.php"))
+        .expect("missing empty-summary file row");
+    assert!(
+        !empty_line.contains("tokens"),
+        "empty-summary file row should not repeat the token unit:\n{stdout}"
+    );
     assert!(
         !normalized.contains("controllers/admin/AdminController.php"),
         "scope leaked:\n{stdout}"