diff --git a/draft-ietf-lsvr-l3dl.xml b/draft-ietf-lsvr-l3dl.xml
index 64aacda..1be22f5 100644
--- a/draft-ietf-lsvr-l3dl.xml
+++ b/draft-ietf-lsvr-l3dl.xml
@@ -955,7 +955,7 @@ uint32_t sbox_checksum_32(const uint8_t *b, const size_t n)
     <section anchor="primloop" title="Prim/Loop Flags">
 
       <figure>
-	  <artwork>
+          <artwork>
  0               1               2               3    ...       7
 +---------------+---------------+---------------+---------------+
 |  Primary      |   Loopback    |  Reserved ... |               |
@@ -1097,7 +1097,7 @@ uint32_t sbox_checksum_32(const uint8_t *b, const size_t n)
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+               ~
 ~                         Signature ...                         ~
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-	</artwork>
+        </artwork>
       </figure>
     
       <t>The 16-bit Count is the number of MPLSv6 Encapsulations.</t>