docs(nd-symbols): minor corrections to symbology information

Author: Valastiri

docs/pilots-corner/advanced-guides/flight-guidance/vertical-guidance/nd-symbols.md

@@ -17,7 +17,9 @@
 |                                                                                              |                                                            |                                                                                                                                                                                    |
 |     ![](../../../assets/advanced-guides/vnav/symbols/intercept-white.png){loading=lazy}      | Indicates *intercept point*                                | Symbol is White if NAV mode is engaged                                                                                                                                             |
 |      ![](../../../assets/advanced-guides/vnav/symbols/intercept-cyan.png){loading=lazy}      |                                                            | Symbol is Blue, if DES mode is engaged                                                                                                                                             |
-|                                                                                              |                                                            | If vertical deviation is detected while in DES mode, continuously indicates predicted point where aircraft will intercept the descent path                                         |
+|                                                                                              |                                                            | Predictions assume half speedbrake if above the profile                                                                                                                            |
+|                                                                                              |                                                            | If vertical deviation is detected while in DES / NAV mode, continuously indicates predicted point where aircraft will intercept the descent path                                   |
+|                                                                                              |                                                            | If not in NAV, predictions assume immediate return to NAV path with 45° intercept                                                                                                  |
 |                                                                                              |                                                            |                                                                                                                                                                                    |
 |       ![](../../../assets/advanced-guides/vnav/symbols/speed-change.png){loading=lazy}       | Indicates a *speed change*                                 | Point on the flight plan where the aircraft will automatically accelerate or decelerate to a new computed speed                                                                    |
 |                                                                                              |                                                            |                                                                                                                                                                                    |