README.md: Improve markdown formatting

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 OsmoTRX is a software-defined radio transceiver that implements the Layer 1
 physical layer of a BTS comprising the following 3GPP specifications:
 
-* TS 05.01 "Physical layer on the radio path"
-* TS 05.02 "Multiplexing and Multiple Access on the Radio Path"
-* TS 05.04 "Modulation"
-* TS 05.10 "Radio subsystem synchronization"
+* TS 05.01 *Physical layer on the radio path*
+* TS 05.02 *Multiplexing and Multiple Access on the Radio Path*
+* TS 05.04 *Modulation*
+* TS 05.10 *Radio subsystem synchronization*
 
 OsmoTRX is originally based on the transceiver code from the
 [OpenBTS](https://osmocom.org/projects/osmobts/wiki/OpenBTS) project, but setup
 to operate independently with the purpose of using with non-OpenBTS software and
 projects, specifically within the Osmocom stack.  Used together with
 [OsmoBTS](https://osmocom.org/projects/osmobts/wiki) you can get a pretty
-standard GSM BTS with Abis interface as per the relevant 3GPP specifications.
+standard GSM/GPRS/EGPRS BTS with Abis interface as per the relevant 3GPP specifications.
 
 Homepage
 --------