diff --git a/libraries/HID/library.properties b/libraries/HID/library.properties
index b175b1edee8dbb529a0753493bc59b7053707508..ff9377bc443ecb3191d2d821a157424cd0ad7e42 100644
--- a/libraries/HID/library.properties
+++ b/libraries/HID/library.properties
@@ -4,5 +4,6 @@ author=Arduino
 maintainer=Arduino <info@arduino.cc>
 sentence=Module for PluggableUSB infrastructure. Exposes an API for devices like Keyboards, Mice and Gamepads
 paragraph=
+category=Other
 url=http://www.arduino.cc/en/Reference/HID
-architectures=samd
\ No newline at end of file
+architectures=samd
diff --git a/libraries/SAMD_AnalogCorrection/library.properties b/libraries/SAMD_AnalogCorrection/library.properties
index e12ada2d1fb81df47a63665cecd6384df3135c74..b8ba59a450fa874185afed656eabf8d295b93b83 100644
--- a/libraries/SAMD_AnalogCorrection/library.properties
+++ b/libraries/SAMD_AnalogCorrection/library.properties
@@ -4,5 +4,6 @@ author=Arduino
 maintainer=Arduino <info@arduino.cc>
 sentence=Sets and enables the digital correction logic of the SAMD ADC.
 paragraph=Useful to correct the values returned by the ADC.
+category=Other
 url=
 architectures=samd
diff --git a/libraries/SPI/library.properties b/libraries/SPI/library.properties
index 3aaa770b8486a2c5d668ba23d44ee3fd8d665128..6940f1458846b9a17b97918b4e6056909d12b657 100644
--- a/libraries/SPI/library.properties
+++ b/libraries/SPI/library.properties
@@ -4,5 +4,6 @@ author=Jonathan BAUDIN, Thibaut VIARD, Arduino
 maintainer=Arduino <info@arduino.cc>
 sentence=Enables the communication with devices that use the Serial Peripheral Interface (SPI) Bus. Specific implementation for Arduino Zero.
 paragraph=
+category=Communication
 url=http://www.arduino.cc/en/Reference/SPI
 architectures=samd
diff --git a/libraries/USBHost/library.properties b/libraries/USBHost/library.properties
index 240f951e449b90eca330984cf4696c4ff8f4c938..48f542e2c1564afd64cb20573588514b77b5b49e 100644
--- a/libraries/USBHost/library.properties
+++ b/libraries/USBHost/library.properties
@@ -4,5 +4,6 @@ author=Arduino
 maintainer=Arduino <info@arduino.cc>
 sentence=Allows the communication with USB peripherals like mice, keyboards, and thumbdrives. For Arduino Due and Zero.
 paragraph=The USBHost library allows the board to appear as a USB host, enabling it to communicate with peripherals like USB mice and keyboards. USBHost does not support devices that are connected through USB hubs. This includes some keyboards that have an internal hub.
+category=Other
 url=http://arduino.cc/en/Reference/USBHost
 architectures=samd
diff --git a/libraries/Wire/library.properties b/libraries/Wire/library.properties
index eff193aa2b3493f66cee88e0fc8f3ccc0a9c1a2e..d5b44eaf17bd99db7ad9315a48510eb761b4a219 100644
--- a/libraries/Wire/library.properties
+++ b/libraries/Wire/library.properties
@@ -4,6 +4,6 @@ author=Jonathan BAUDIN, Thibaut VIARD, Arduino
 maintainer=Arduino <info@arduino.cc>
 sentence=Allows the communication between devices or sensors connected via Two Wire Interface Bus. Specific implementation for Arduino Zero.
 paragraph=
+category=Communication
 url=http://www.arduino.cc/en/Reference/Wire
 architectures=samd
-