release notes: fix constraints

Author: flogross89

docs/release-notes/a380x/v0120.md

@@ -21,7 +21,7 @@ These release notes are meant to provide an initial outlook into the features av
 ### Flight Management
 
 - [x] Working flight management system (FMS) -> based on the novel FBW **fms-v2**
-- [x] Vertical guidance (VNAV) to accurately follow constraints on climb and descent
+- [x] Vertical guidance (VNAV) to accurately follow altitude and speed constraints
 - [x] Separate operation of CAPT and F/O MFD
 - [x] Flight management via 17 interactive pages in the MFD