GH681: More command help cleanup

enc:
 - typo in -base64 option
 - missing help opt text
ocsp, req, rsautl, s_client:
 - missing help opt text

Signed-off-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
diff --git a/apps/ocsp.c b/apps/ocsp.c
index f9ba4e1..502adf1 100644
--- a/apps/ocsp.c
+++ b/apps/ocsp.c
@@ -144,7 +144,8 @@
 OPTIONS ocsp_options[] = {
     {"help", OPT_HELP, '-', "Display this summary"},
     {"out", OPT_OUTFILE, '>', "Output filename"},
-    {"timeout", OPT_TIMEOUT, 'p'},
+    {"timeout", OPT_TIMEOUT, 'p',
+     "Connection timeout (in seconds) to the OCSP responder"},
     {"url", OPT_URL, 's', "Responder URL"},
     {"host", OPT_HOST, 's', "host:prot top to connect to"},
     {"port", OPT_PORT, 'p', "Port to run responder on"},