Fix typos and formatting in the ftp protocol docs

scripts/base/protocols/ftp/gridftp.bro

@@ -4,20 +4,20 @@
 ##! that successfully negotiate the GSSAPI method of an AUTH request
 ##! and for which the exchange involved an encoded TLS/SSL handshake,
 ##! indicating the GSI mechanism for GSSAPI was used.  This analysis
-##! is all supported internally, this script simple adds the "gridftp"
+##! is all supported internally, this script simply adds the "gridftp"
 ##! label to the *service* field of the control channel's
 ##! :bro:type:`connection` record.
 ##!
 ##! GridFTP data channels are identified by a heuristic that relies on
 ##! the fact that default settings for GridFTP clients typically
-##! mutally authenticate the data channel with TLS/SSL and negotiate a
+##! mutually authenticate the data channel with TLS/SSL and negotiate a
 ##! NULL bulk cipher (no encryption).  Connections with those
 ##! attributes are then polled for two minutes with decreasing frequency
 ##! to check if the transfer sizes are large enough to indicate a
-##! GridFTP data channel that would be undesireable to analyze further
+##! GridFTP data channel that would be undesirable to analyze further
 ##! (e.g. stop TCP reassembly).  A side effect is that true connection
 ##! sizes are not logged, but at the benefit of saving CPU cycles that
-##! otherwise go to analyzing the large (and likely benign) connections.
+##! would otherwise go to analyzing the large (and likely benign) connections.
 
 @load ./info
 @load ./main
@@ -59,8 +59,8 @@ export {
 	## been exceeded.  This is called in a :bro:see:`ssl_established` event
 	## handler and by default looks for both a client and server certificate
 	## and for a NULL bulk cipher.  One way in which this function could be
-	## redefined is to make it also consider client/server certificate issuer
+	## redefined is to make it also consider client/server certificate
-	## subjects.
+	## issuer subjects.
 	##
 	## c: The connection which may possibly be a GridFTP data channel.
 	##

scripts/base/protocols/ftp/info.bro

@@ -18,7 +18,8 @@ export {
 		orig_h: addr &log;
 		## The host that will be accepting the data connection.
 		resp_h: addr &log;
-		## The port at which the acceptor is listening for the data connection.
+		## The port at which the acceptor is listening for the data
+		## connection.
 		resp_p: port &log;
 	};
 
@@ -38,7 +39,8 @@ export {
 		## Argument for the command if one is given.
 		arg:              string      &log &optional;
 
-		## Libmagic "sniffed" file type if the command indicates a file transfer.
+		## Libmagic "sniffed" file type if the command indicates a file
+		## transfer.
 		mime_type:        string      &log &optional;
 		## Size of the file if the command indicates a file transfer.
 		file_size:        count       &log &optional;
@@ -59,8 +61,8 @@ export {
 
 		## Command that is currently waiting for a response.
 		cmdarg:             CmdArg  &optional;
-		## Queue for commands that have been sent but not yet responded to
+		## Queue for commands that have been sent but not yet responded
-		## are tracked here.
+		## to are tracked here.
 		pending_commands:   PendingCmds;
 
 		## Indicates if the session is in active or passive mode.

scripts/base/protocols/ftp/main.bro

@@ -26,7 +26,7 @@ export {
 	const guest_ids = { "anonymous", "ftp", "ftpuser", "guest" } &redef;
 
 	## This record is to hold a parsed FTP reply code.  For example, for the
-	## 201 status code, the digits would be parsed as: x->2, y->0, z=>1.
+	## 201 status code, the digits would be parsed as: x->2, y->0, z->1.
 	type ReplyCode: record {
 		x: count;
 		y: count;

scripts/base/protocols/ftp/utils.bro

@@ -11,14 +11,14 @@ export {
 	##
 	## rec: An :bro:type:`FTP::Info` record.
 	##
-	## Returns: A URL, not prefixed by "ftp://".
+	## Returns: A URL, not prefixed by ``"ftp://"``.
 	global build_url: function(rec: Info): string;
 
 	## Creates a URL from an :bro:type:`FTP::Info` record.
 	##
 	## rec: An :bro:type:`FTP::Info` record.
 	##
-	## Returns: A URL prefixed with "ftp://".
+	## Returns: A URL prefixed with ``"ftp://"``.
 	global build_url_ftp: function(rec: Info): string;
 
 	## Create an extremely shortened representation of a log line.