diff --git a/_gtfobins/column.md b/_gtfobins/column.md
index af67980..80a173c 100644
--- a/_gtfobins/column.md
+++ b/_gtfobins/column.md
@@ -1,4 +1,6 @@
 ---
+description: |
+  `column` expects textual data.
 functions:
   file-read:
     - code: |