Normalize df menu entry and tweak help text.
diff --git a/toys/posix/df.c b/toys/posix/df.c
index 9e8570f..83b59bb 100644
--- a/toys/posix/df.c
+++ b/toys/posix/df.c
@@ -7,12 +7,12 @@
USE_DF(NEWTOY(df, "Pkt*a", TOYFLAG_USR|TOYFLAG_SBIN))
config DF
- bool "df (disk free)"
+ bool "df"
default y
help
usage: df [-t type] [FILESYSTEM ...]
- The "disk free" command, df shows total/used/available disk space for
+ The "disk free" command shows total/used/available disk space for
each filesystem listed on the command line, or all currently mounted
filesystems.