readme: clarify RRC limitations

Author: andrepuschmann

README.md

@@ -16,7 +16,7 @@ Current Features
 * 15/30 KHz subcarrier spacing
 * All physical channels including PUCCH Format 1 and 2, excluding Sounding-RS 
 * Highly optimized LDPC and Polar encoder/decoder for ARM Neon and x86 AVX2/AVX512
-* All RRC procedures excluding Mobility and UE Release
+* All RRC procedures excluding Mobility, Paging and Reestablishment
 * All MAC procedures excluding power control
 * Tested Performance:
   * 64 simultaneous users