diff --git a/libraries/HID/library.properties b/libraries/HID/library.properties
index b175b1ede..ff9377bc4 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 e12ada2d1..b8ba59a45 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 3aaa770b8..6940f1458 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 240f951e4..48f542e2c 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 eff193aa2..d5b44eaf1 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
-