Added columns and added/fixed aliases in the manpage

htop.1.in

-.TH "HTOP" "1" "2011" "@PACKAGE_STRING@" "Utils"
+.TH "HTOP" "1" "2014" "@PACKAGE_STRING@" "Utils"
 .SH "NAME"
 htop \- interactive process viewer
 .SH "SYNOPSIS"
@@ -179,6 +179,9 @@ The parent process ID.
 .B PGRP
 The process's group ID.
 .TP
+.B TGID
+The thread group ID.
+.TP
 .B SESSION (SESN)
 The process's session ID.
 .TP 
@@ -224,11 +227,11 @@ executing system calls on behalf of the process, measured in clock ticks.
 The time, measured in clock ticks that the process has spent in user and system
 time (see UTIME, STIME above).
 .TP
-.B CUTIME
+.B CUTIME (CUTIME+)
 The children's user CPU time, which is the amount of time the process's
 waited-for children have spent executing in user mode (see UTIME above).
 .TP
-.B CSTIME
+.B CSTIME (CSTIME+)
 The children's system CPU time, which is the amount of time the kernel has spent
 executing system calls on behalf of all the process's waited-for children (see
 STIME above).
@@ -237,7 +240,7 @@ STIME above).
 The kernel's internal priority for the process, usually just its nice value
 plus twenty. Different for real-time processes.
 .TP
-.B PERCENT_MEM
+.B PERCENT_MEM (MEM%)
 The percentage of memory the process is currently using (based on the process's
 resident memory size, see M_RESIDENT below).
 .TP
@@ -271,7 +274,7 @@ The user ID of the process owner.
 The username of the process owner, or the user ID if the name can't be
 determined.
 .TP
-.B STARTTIME
+.B STARTTIME (START)
 The time the process was started.
 .TP
 .B RCHAR (RD_CHAR)
@@ -298,12 +301,18 @@ The I/O rate of read(2) in bytes per second, for the process.
 .B IO_WRITE_RATE (IOWR)
 The I/O rate of write(2) in bytes per second, for the process.
 .TP
-.B IO_RATE (IO)
+.B IO_RATE (IORW)
 The I/O rate, IO_READ_RATE + IO_WRITE_RATE (see above).
 .TP
 .B CNCLWB (IO_CANCEL)
 Bytes of cancelled write(2) I/O.
 .TP
+.B IO_PRIORITY (IO)
+The I/O scheduling class followed by the priority if the class supports it:
+   \fBR\fR for Realtime
+   \fBB\fR for Best-effort
+   \fBid\fR for Idle
+.TP
 .B CGROUP
 Which cgroup the process is in.
 .TP