diff --git a/dwg_ac1002.ksy b/dwg_ac1002.ksy
index 0963744..5814a65 100644
--- a/dwg_ac1002.ksy
+++ b/dwg_ac1002.ksy
@@ -347,7 +347,7 @@ types:
         doc: 0x01fa-0x01fb, $LIMCHECK
       - id: unknown10a
         type: u1
-        doc: 0x01fc
+        doc: 0x01fc,
       - id: unknown10b
         type: u1
       - id: unknown10c
diff --git a/dwg_ac1003.ksy b/dwg_ac1003.ksy
index 39954e8..0817d11 100644
--- a/dwg_ac1003.ksy
+++ b/dwg_ac1003.ksy
@@ -342,7 +342,7 @@ types:
         doc: 0x01fa-0x01fb, $LIMCHECK
       - id: unknown10a
         type: u1
-        doc: 0x01fc
+        doc: 0x01fc,
       - id: unknown10b
         type: u1
       - id: unknown10c
diff --git a/dwg_ac1006.ksy b/dwg_ac1006.ksy
index a19dd5f..72715ea 100644
--- a/dwg_ac1006.ksy
+++ b/dwg_ac1006.ksy
@@ -354,7 +354,7 @@ types:
         doc: 0x01fa-0x01fb, $LIMCHECK
       - id: unknown10a
         type: u1
-        doc: 0x01fc
+        doc: 0x01fc,
       - id: unknown10b
         type: u1
       - id: unknown10c
diff --git a/dwg_ac1009.ksy b/dwg_ac1009.ksy
index a73a926..c2666e4 100644
--- a/dwg_ac1009.ksy
+++ b/dwg_ac1009.ksy
@@ -181,16 +181,16 @@ types:
         type: s1
       - id: unknown_3
         type: s2
-        contents: 3
+        # contents: 3
       - id: num_sections
         type: u2
-        contents: 5
+        # contents: 5
       - id: num_header_vars
         type: u2
-        contents: 129
+        # contents: 129
       - id: dwg_version
         type: u1
-        contents: 0
+        # contents: 0
       - id: entities_start
         type: u4
       - id: entities_end
@@ -428,7 +428,7 @@ types:
         doc: 0x01fa-0x01fb, $LIMCHECK
       - id: unknown10a
         type: u1
-        doc: 0x01fc
+        doc: 0x01fc,
       - id: unknown10b
         type: u1
       - id: unknown10c
diff --git a/dwg_ac1_50.ksy b/dwg_ac1_50.ksy
index 518feca..c4e4c0b 100644
--- a/dwg_ac1_50.ksy
+++ b/dwg_ac1_50.ksy
@@ -344,7 +344,7 @@ types:
         if: _parent.num_header_vars == 83
       - id: unknown10a
         type: u1
-        doc: 0x01fc
+        doc: 0x01fc,
         if: _parent.num_header_vars == 83
       - id: unknown10b
         type: u1
diff --git a/dwg_ac2_10.ksy b/dwg_ac2_10.ksy
index 3fe3e39..9b0359a 100644
--- a/dwg_ac2_10.ksy
+++ b/dwg_ac2_10.ksy
@@ -342,7 +342,7 @@ types:
         doc: 0x01fa-0x01fb, $LIMCHECK
       - id: unknown10a
         type: u1
-        doc: 0x01fc
+        doc: 0x01fc,
       - id: unknown10b
         type: u1
       - id: unknown10c