Cleanup: minor changes to unit comments

source/blender/blenkernel/BKE_unit.hh

@@ -22,8 +22,9 @@ struct UnitSettings;
  * \param pad: When true & `prec` is positive, stripped zeroes will be replaced with a space
  * instead of being removed.
  *
- * \note disabling stripping or enabling padding reduces text "jittering" when changing values.
- * Especially with mono-spaced fonts.
+ * \note Disabling stripping or enabling padding reduces text "jittering" when changing values,
+ * especially with mono-spaced fonts. However, the values will take up more space,
+ * so the default is good when there is little movement (e.g. numerical input or mesh overlays).
  */
 size_t BKE_unit_value_as_string(char *str,
                                 int str_maxncpy,

source/blender/blenkernel/intern/unit.cc

@@ -1855,7 +1855,7 @@ static size_t unit_as_string_main(char *str,
   if (split && unit_should_be_split(type)) {
     int length = unit_as_string_split_pair(
         str, str_maxncpy, value, prec, do_rstrip_zero, usys, main_unit);
-    /* Failed when length is negative, fall back to no split. */
+    /* Split failed when length is negative, fall back to no split. */
     if (length >= 0) {
       return length;
     }