diff --git a/libraries/base/diag/src/vhdl/mms_diag_block_gen.vhd b/libraries/base/diag/src/vhdl/mms_diag_block_gen.vhd
index 3cb0c96363c42e22971508379f22bbccd9434dc8..0ce22118551e7917ddbce4d4c3e1c3c4429c7b39 100644
--- a/libraries/base/diag/src/vhdl/mms_diag_block_gen.vhd
+++ b/libraries/base/diag/src/vhdl/mms_diag_block_gen.vhd
@@ -53,24 +53,25 @@
 --
 -- Block diagram:
 --
---      g_use_usr_input
---       .    g_use_bg
---       .    g_use_bg_buffer_ram
---       .     .                               g_use_tx_seq
---       .     .        g_usr_bypass_xonoff     .
---       .     .         .                      .............
---       .     .         .                      .           .
---       .     .         ___     __ dp_mux      .           .
---       .     .        |dp |   |  \            .           ____
---      usr ------------|xon|-->|0  \           .          |dp  |
---             .        |off|   |    \          .          |pipe|
---             .        |___|   |     |--------------------|line|---> out
---             .                |    /    |     .       ^  |arr |
---            BG ctrl --------->|1  /     |     .       |  |____|
---            BG data           |__/      \--> tx_seq --/
---               ||                              |
---               ||                              |
---       MM =================================================
+--         g_use_bg
+--         g_use_bg_buffer_ram
+--          .
+--          .  g_use_usr_input               g_use_tx_seq
+--          .   .     g_usr_bypass_xonoff     .
+--          .   .      .                      .
+--          .   .      .                      .............
+--          .   .      .                      .           .
+--          .   .      ___     __ dp_mux      .           .
+--          .   .     |dp |   |  \            .           ____
+--          .  usr----|xon|-->|0  \           .          |dp  |
+--          .         |off|   |    \          .          |pipe|
+--          .         |___|   |     |--------------------|line|---> out
+--          .                 |    /    |     .       ^  |arr |
+--         BG ctrl----------->|1  /     |     .       |  |____|
+--         BG data            |__/      \--> tx_seq --/
+--            ||                               |
+--            ||                               |
+--     MM =========================================================
 --    
 --   The dp_mux is only there if both the usr input and the BG are used.
 --