pivot-table: Improve comment.

diff --git a/src/output/pivot-table.c b/src/output/pivot-table.c
index 009e8296139c6bb48d7e51985590009e1eaa7f29..f8f917d9dd1d965b3d5b2830b725c7c12004eee1 100644 (file)
--- a/src/output/pivot-table.c
+++ b/src/output/pivot-table.c
@@ -2777,7 +2777,7 @@ pivot_value_new_text (const char *text)
 }
 
 /* Same as pivot_value_new_text() but its argument is a printf()-like format
-   string. */
+   string.  The format string should generally be enclosed in N_(). */
 struct pivot_value * PRINTF_FORMAT (1, 2)
 pivot_value_new_text_format (const char *format, ...)
 {