Update docs FAQ with "offline capability"

packages/docs/docs/user-guide/faq.mdx

@@ -6,6 +6,10 @@ hide_table_of_contents: true
 
 # FAQ
 
+## Can we use Pyra on an offline system?
+
+Yes. Pyra only requires an internet connection for the installation. Pyra releases from 4.0.8 download astronomical data (until 2053) during installation, so no further internet connection during operation is required.
+
 ## During Setup, the following error occurs: "executing `.ps1` scripts is not allowed due to an ExecutionPolicy"
 
 This can be solved by running the following command in a PowerShell (credits to https://stackoverflow.com/a/49112322/8255842):
@@ -16,7 +20,7 @@ Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy Unrestricted
 
 ## Pyra Shows a `filelock._error.Timeout` Exception
 
-In theory, it is possible that Pyra encounters a deadlock when reading state or log files - although we have never encountered it yet. The error message will say something like this:
+In theory, Pyra may encounter a deadlock when reading state or log files - although we have never experienced it yet. The error message will say something like this:
 
 ```
 filelock._error.Timeout: The file lock 'C:\Users\ga56fem\Downloads\pyra\pyra-4.0.6\config\.state.lock' could not be acquired.
@@ -26,6 +30,6 @@ You can use the CLI command `pyra-cli remove-filelocks` to resolve that.
 
 :::note
 
-We are using the python library `filelock` to enforce exclusive use of state- and log-files: There should not be two processes interacting with one of these files simultaneously. This is necessary because we have at least 4 processes that work with these files: the CLI and the main-, upload- and helios-thread.
+We are using the python library `filelock` to enforce exclusive use of state- and log-files: There should not be two processes simultaneously interacting with one of these files. This is necessary because we have at least 4 processes that work with these files: the CLI and the main-, upload- and helios-thread.
 
 :::