diff --git a/library/nxp.dcm b/library/nxp.dcm
index 31209930..978dbc62 100644
--- a/library/nxp.dcm
+++ b/library/nxp.dcm
@@ -1,25 +1,25 @@
 EESchema-DOCLIB  Version 2.0
 #
 $CMP PCA9536D
-D 4-bit I2C-bus and SMBus IO port
+D 4-bit I2C-bus and SMBus IO port, SOIC8 package
 K i2c io port
 F http://www.nxp.com/documents/data_sheet/PCA9536.pdf
 $ENDCMP
 #
 $CMP PCA9536DP
-D 4-bit I2C-bus and SMBus IO port
+D 4-bit I2C-bus and SMBus IO port, TSSOP8 package
 K i2c io port
 F http://www.nxp.com/documents/data_sheet/PCA9536.pdf
 $ENDCMP
 #
 $CMP PCA9544AD
-D 4-channel I2C-bus multiplexer with interrupt logic
+D 4-channel I2C-bus multiplexer with interrupt logic, SOIC20 package
 K i2c multiplexer
 F http://www.nxp.com/documents/data_sheet/PCA9544A.pdf
 $ENDCMP
 #
 $CMP PCA9544APW
-D 4-channel I2C-bus multiplexer with interrupt logic
+D 4-channel I2C-bus multiplexer with interrupt logic, TSSOP20 package
 K i2c multiplexer
 F http://www.nxp.com/documents/data_sheet/PCA9544A.pdf
 $ENDCMP