doc update

doc/FEATURE_SET.md

@@ -303,11 +303,9 @@ The following features are valid for the gNB and the 5G-NR UE.
 **gNB MAC**
 - MAC -> PHY configuration using NR FAPI P5 interface
 - MAC <-> PHY data interface using FAPI P7 interface for BCH PDU, DCI PDU, PDSCH PDU
-- Scheduler for RA procedreat gNB
+- Scheduler for RA procedure at gNB
 - MAC downlink scheduler (fixed allocations)
 - MAC header generation (including timing advance)
-- ACK / NACK handling and HARQ procedures for downlink
-- **As of May 2020** only DL was validated with COTS phone ; UL in progress, validated with OAI UE in noS1 mode
 
 
 # OpenAirInterface 5G-NR UE Feature Set #
@@ -353,7 +351,7 @@ The following features are valid for the gNB and the 5G-NR UE.
 - Initial sync and MIB detection
 - MAC -> PHY configuration of PHY via UE FAPI P5 interface
 - Basic MAC to control PHY via UE FAPI P7 interface
-- Random ccess procedure
+- Random access procedure
 
 **RLC**