2 files changed, 4 insertions, 2 deletions

diff --git a/doc/snac.5 b/doc/snac.5
index 0046a90..1b32590 100644
--- a/doc/snac.5
+++ b/doc/snac.5
@@ -59,7 +59,7 @@ converted to related emojis:
 All HTML tags in entries are neutered except the following ones:
 .Bd -literal
 a p br blockquote ul li
-span i b pre code em strong
+span i b u pre code em strong
 .Ed
 .Pp
 .Ss Disk Layout
@@ -75,6 +75,8 @@ Directory holding user subdirectories.
 Directory holding the ActivityPub objects. Filenames are hashes of each
 message Id, stored in subdirectories starting with the first two letters
 of the hash.
+.It Pa inbox/
+Directory storing collected inbox URLs from other instances.
 .It Pa archive/
 If this directory exists, all input and output messages are logged inside it,
 including HTTP headers. Only useful for debugging. May grow to enormous sizes.
diff --git a/format.c b/format.c
index 3763e65..b62cd50 100644
--- a/format.c
+++ b/format.c
@@ -169,7 +169,7 @@ d_char *not_really_markdown(const char *content)
 
 const char *valid_tags[] = {
     "a", "p", "br", "br/", "blockquote", "ul", "li",
-    "span", "i", "b", "pre", "code", "em", "strong", NULL
+    "span", "i", "b", "u", "pre", "code", "em", "strong", NULL
 };
 
 d_char *sanitize(const char *content)