chore: minor edits on the readme

Author: pviotti

README.md

@@ -7,18 +7,25 @@ SayIt is a cross-platform command line tool that pronounces written text.
 You can use it to create audio recordings of your text files or
 to improve your pronunciation in a foreign language.
 
-## Installation
+## Setup
 
 SayIt uses [Azure Cognitive Services][az-cs] as backend to guarantee
 optimal audio quality, so it requires a subscription to Azure, which you can get for free
 [here][az-sub].
-Azure Cognitive Services [free tier][az-cs-price] includes 5 text-to-speech
+Azure Cognitive Services [free tier][az-cs-price], as of 2021, includes 5 text-to-speech
 hours per month, which is often enough for personal use.
 
 You can download SayIt in the [release section][release].
 SayIt is currently distributed both as self-contained .NET executable
 (which means you won't need to install the .NET runtime to use it)
-and as framework-dependent .NET 5 executable.
+and as framework-dependent .NET executable.
+
+At the first use you're required to run the setup wizard (`./sayit --setup`)
+and enter the configuration parameters of your Azure Cognitive Services resource,
+such as the subscription key (which you can find in the Azure portal)
+and the region identifier (see [here][region-ids]).
+SayIt will store these parameters in the configuration folder of the current
+user (e.g. `~/.config/` in Linux) as an [App Setting XML file][appsetting].
 
 ## Usage
 
@@ -45,19 +52,13 @@ OPTIONS:
     --output, -o <output> the path of the output file
     --help                display this list of options.
 ```
-At the first use you're required to run the setup wizard (`./sayit --setup`)
-and enter the configuration parameters of your Azure Cognitive Services resource,
-such as the subscription key (which you can find in the Azure portal)
-and the region identifier (see [here][region-ids]).
-SayIt will store these parameters in the configuration folder of the current
-user (e.g. `~/.config/` in Linux) as an [App Setting XML file][appsetting].
 
 SayIt supports these settings:
  - [languages][voices]: English, Italian, French, German, Spanish, Hindi, Portuguese, Russian, Japanese and Chinese (Mandarin).
  - [output formats][output-formats]: `audio-16khz-32kbitrate-mono-mp3`, `audio-16khz-64kbitrate-mono-mp3`, `audio-16khz-128kbitrate-mono-mp3`, `audio-24khz-96kbitrate-mono-mp3`, `audio-24khz-160kbitrate-mono-mp3`, `audio-24khz-48kbitrate-mono-mp3`, `riff-8khz-16bit-mono-pcm`, `riff-16khz-16bit-mono-pcm`, `riff-24khz-16bit-mono-pcm`.
 
-> NB: some languages and output formats might not be supported by your Azure Cognitive Services resource,
-depending on its region (see [here][region-voices]).
+> NB: some languages and output formats might not be supported by your
+Azure Cognitive Services resource, depending on its region (see [here][region-voices]).
 
 > NB: the choice of supported voices and formats has been somewhat random. I
 > welcome suggestions and contributions, of course.