diff --git a/src/freedreno/registers/mdp/mdp_common.xml b/src/freedreno/registers/mdp/mdp_common.xml
index 4f237f9b2fb..661697326e6 100644
--- a/src/freedreno/registers/mdp/mdp_common.xml
+++ b/src/freedreno/registers/mdp/mdp_common.xml
@@ -49,7 +49,7 @@ xsi:schemaLocation="http://nouveau.freedesktop.org/ rules-ng.xsd">
 <enum name="mdp_bpc">
 	<brief>bits per component (non-alpha channel)</brief>
 	<value name="BPC4" value="0"/> <!-- 4 bits -->
-	<value name="BPC5" value="1"/> <!-- 2 bits -->
+	<value name="BPC5" value="1"/> <!-- 5 bits -->
 	<value name="BPC6" value="2"/> <!-- 6 bits -->
 	<value name="BPC8" value="3"/> <!-- 8 bits -->
 </enum>
@@ -57,7 +57,7 @@ xsi:schemaLocation="http://nouveau.freedesktop.org/ rules-ng.xsd">
 <enum name="mdp_bpc_alpha">
 	<brief>bits per component (alpha channel)</brief>
 	<value name="BPC1A" value="0"/> <!-- 1 bit -->
-	<value name="BPC4A" value="1"/> <!-- 2 bits -->
+	<value name="BPC4A" value="1"/> <!-- 4 bits -->
 	<value name="BPC6A" value="2"/> <!-- 6 bits -->
 	<value name="BPC8A" value="3"/> <!-- 8 bits -->
 </enum>