diff --git a/src/man/firejail-profile.5.in b/src/man/firejail-profile.5.in
index 1b993b2d2..8c39e4206 100644
--- a/src/man/firejail-profile.5.in
+++ b/src/man/firejail-profile.5.in
@@ -836,7 +836,15 @@ env CFLAGS="-W -Wall -Werror"
 
 .TP
 \fBipc-namespace
-Enable IPC namespace.
+Enable a new IPC namespace if the sandbox was started as a regular user.
+IPC namespace is enabled by default for sandboxes started as root.
+.br
+
+.br
+Note: This only affects the IPC resources that are mentioned in
+\fBipc_namespaces\fR(7).
+It does not affect other IPC resources, such as Unix sockets (see
+\fBunix\fR(7)).
 
 .TP
 \fBkeep-fd
diff --git a/src/man/firejail.1.in b/src/man/firejail.1.in
index 4e27c5c54..28c789495 100644
--- a/src/man/firejail.1.in
+++ b/src/man/firejail.1.in
@@ -1117,8 +1117,15 @@ $ firejail \-\-net=eth0 \-\-iprange=192.168.1.100,192.168.1.150
 
 .TP
 \fB\-\-ipc-namespace
-Enable a new IPC namespace if the sandbox was started as a regular user. IPC namespace is enabled by default
-for sandboxes started as root.
+Enable a new IPC namespace if the sandbox was started as a regular user.
+IPC namespace is enabled by default for sandboxes started as root.
+.br
+
+.br
+Note: This only affects the IPC resources that are mentioned in
+\fBipc_namespaces\fR(7).
+It does not affect other IPC resources, such as Unix sockets (see
+\fBunix\fR(7)).
 .br
 
 .br