Comment correction (#21729)

4 years ago · 888e9cb60b
1 changed files with 2 additions and 1 deletions
--- a/Marlin/src/libs/duration_t.h
+++ b/Marlin/src/libs/duration_t.h
@ -115,7 +115,8 @@ struct duration_t {
   * @brief Formats the duration as a string
   * @details String will be formated using a "full" representation of duration
   *
-   * @param buffer The array pointed to must be able to accommodate 21 bytes
+   * @param buffer The array pointed to must be able to accommodate 22 bytes
+   *               (21 for the string, 1 more for the terminating nul)
   *
   * Output examples:
   *  123456789012345678901 (strlen)