Update doc/nrf/libraries/security/bootloader/fw_info.rst

Co-authored-by: Anna Wojdyło <[email protected]>

Author: ahasztag

doc/nrf/libraries/security/bootloader/fw_info.rst

@@ -52,7 +52,7 @@ External APIs
 The firmware information structure allows for exchange of arbitrary tagged and versioned interfaces called *external APIs* (EXT_APIs).
 
 .. note::
-   The usage of EXT_APIs is currently only supported on nRF52 and nRF53 devices.
+   EXT_APIs are currently only supported on the nRF52 and nRF53 Series devices.
 
 An EXT_API structure is a structure consisting of a header followed by arbitrary data.
 The header consists of the following information: