diff --git a/man2/reboot.2 b/man2/reboot.2
index 0ed635545..ee5064863 100644
--- a/man2/reboot.2
+++ b/man2/reboot.2
@@ -101,21 +101,21 @@ the action associated with
 .BR LINUX_REBOOT_CMD_RESTART .
 .TP
 .B LINUX_REBOOT_CMD_HALT
-(RB_HALT_SYSTEM, 0xcdef0123; since 1.1.76).
+(RB_HALT_SYSTEM, 0xcdef0123; since Linux 1.1.76).
 The message "System halted." is printed, and the system is halted.
 Control is given to the ROM monitor, if there is one.
 If not preceded by a
 .BR sync (2),
 data will be lost.
 .TP
-.BR LINUX_REBOOT_CMD_KEXEC " (since Linux 2.6.13)"
+.BR LINUX_REBOOT_CMD_KEXEC " (since Linux Linux 2.6.13)"
 Execute a kernel that has been loaded earlier with
 .BR kexec_load (2).
 This option is available only if the kernel was configured with
 .BR CONFIG_KEXEC .
 .TP
 .B LINUX_REBOOT_CMD_POWER_OFF
-(RB_POWER_OFF, 0x4321fedc; since 2.1.30).
+(RB_POWER_OFF, 0x4321fedc; since Linux 2.1.30).
 The message "Power down." is printed, the system is stopped,
 and all power is removed from the system, if possible.
 If not preceded by a
@@ -131,7 +131,7 @@ If not preceded by a
 data will be lost.
 .TP
 .B LINUX_REBOOT_CMD_RESTART2
-(0xa1b2c3d4; since 2.1.30).
+(0xa1b2c3d4; since Linux 2.1.30).
 The message "Restarting system with command \(aq%s\(aq" is printed,
 and a restart (using the command string given in
 .IR arg )