"cryptographically" is misspelled in maintain.texi; here's a patch.
diff --git a/doc/maintain.texi b/doc/maintain.texi
index acac971..ee1c1cf 100644
--- a/doc/maintain.texi
+++ b/doc/maintain.texi
@@ -1431,7 +1431,7 @@ In order to upload new releases to @code{ftp.gnu.org} or
information. Then, you can perform uploads yourself, with no
intervention needed by the system administrators.
-The general idea is that releases should be crytographically signed
+The general idea is that releases should be cryptographically signed
before they are made publicly available.
@menu
