diff --git a/networking/telnetd.c b/networking/telnetd.c
index 7b3c69898..41e4707a3 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -94,7 +94,7 @@ struct tsession {
    +-------+     wridx1++     +------+     rdidx1++     +----------+
    |       | <--------------  | buf1 | <--------------  |          |
    |       |     size1--      +------+     size1++      |          |
-   |  pty  |					    |  socket  |
+   |  pty  |                                            |  socket  |
    |       |     rdidx2++     +------+     wridx2++     |          |
    |       |  --------------> | buf2 |  --------------> |          |
    +-------+     size2++      +------+     size2--      +----------+