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/enc.c b/apps/enc.c
index ab91369..520ee47 100644
--- a/apps/enc.c
+++ b/apps/enc.c
@@ -97,14 +97,15 @@
     {"d", OPT_D, '-', "Decrypt"},
     {"p", OPT_P, '-', "Print the iv/key"},
     {"P", OPT_UPPER_P, '-', "Print the iv/key and exit"},
-    {"v", OPT_V, '-'},
+    {"v", OPT_V, '-', "Verbose output"},
     {"nopad", OPT_NOPAD, '-', "Disable standard block padding"},
-    {"salt", OPT_SALT, '-'},
-    {"nosalt", OPT_NOSALT, '-'},
-    {"debug", OPT_DEBUG, '-'},
-    {"A", OPT_UPPER_A, '-'},
-    {"a", OPT_A, '-', "base64 encode/decode, depending on encryption flag"},
-    {"base64", OPT_A, '-', "Base64 output as a single line"},
+    {"salt", OPT_SALT, '-', "Use salt in the KDF (default)"},
+    {"nosalt", OPT_NOSALT, '-', "Do not use salt in the KDF"},
+    {"debug", OPT_DEBUG, '-', "Print debug info"},
+    {"a", OPT_A, '-', "Base64 encode/decode, depending on encryption flag"},
+    {"base64", OPT_A, '-', "Same as option -a"},
+    {"A", OPT_UPPER_A, '-',
+     "Used with -[base64|a] to specify base64 buffer as a single line"},
     {"bufsize", OPT_BUFSIZE, 's', "Buffer size"},
     {"k", OPT_K, 's', "Passphrase"},
     {"kfile", OPT_KFILE, '<', "Fead passphrase from file"},