diff --git a/man7/tcp.7 b/man7/tcp.7
index 2626b7e49..6925be8fd 100644
--- a/man7/tcp.7
+++ b/man7/tcp.7
@@ -282,7 +282,7 @@ this is the initial MSS used by the connection.
 .\"
 .\" The following is from 2.6.12: Documentation/networking/ip-sysctl.txt
 .TP
-.IR tcp_bic " (Boolean; default: disabled; since Linux 2.4.27/2.6.6)"
+.IR tcp_bic " (Boolean; default: disabled; Linux 2.4.27/2.6.6 to 2.6.13)"
 .\" Since 2.4.27/2.6.6
 Enable BIC TCP congestion control algorithm.
 BIC-TCP is a sender-side only change that ensures a linear RTT
@@ -299,7 +299,7 @@ increase provides TCP friendliness.
 .\"
 .\" The following is from 2.6.12: Documentation/networking/ip-sysctl.txt
 .TP
-.IR tcp_bic_low_window " (integer; default: 14; since Linux 2.4.27/2.6.6)"
+.IR tcp_bic_low_window " (integer; default: 14; Linux 2.4.27/2.6.6 to 2.6.13)"
 .\" Since 2.4.27/2.6.6
 Sets the threshold window (in packets) where BIC TCP starts to
 adjust the congestion window.
@@ -308,7 +308,7 @@ the same as the default TCP Reno.
 .\"
 .\" The following is from 2.6.12: Documentation/networking/ip-sysctl.txt
 .TP
-.IR tcp_bic_fast_convergence " (Boolean; default: enabled; since Linux 2.4.27/2.6.6)"
+.IR tcp_bic_fast_convergence " (Boolean; default: enabled; Linux 2.4.27/2.6.6 to 2.6.13)"
 .\" Since 2.4.27/2.6.6
 Forces BIC TCP to more quickly respond to changes in congestion
 window.