diff --git a/data/helpers.d/print b/data/helpers.d/print
index 7f37021ae..b46192d87 100644
--- a/data/helpers.d/print
+++ b/data/helpers.d/print
@@ -89,6 +89,7 @@ ynh_print_err () {
 # usage: ynh_exec_err command to execute
 # usage: ynh_exec_err "command to execute | following command"
 # In case of use of pipes, you have to use double quotes. Otherwise, this helper will be executed with the first command, then be sent to the next pipe.
+# If the command to execute uses double quotes, they have to be escaped or they will be interpreted and removed.
 #
 # | arg: command - command to execute
 ynh_exec_err () {
@@ -100,6 +101,7 @@ ynh_exec_err () {
 # usage: ynh_exec_warn command to execute
 # usage: ynh_exec_warn "command to execute | following command"
 # In case of use of pipes, you have to use double quotes. Otherwise, this helper will be executed with the first command, then be sent to the next pipe.
+# If the command to execute uses double quotes, they have to be escaped or they will be interpreted and removed.
 #
 # | arg: command - command to execute
 ynh_exec_warn () {
@@ -111,6 +113,7 @@ ynh_exec_warn () {
 # usage: ynh_exec_warn_less command to execute
 # usage: ynh_exec_warn_less "command to execute | following command"
 # In case of use of pipes, you have to use double quotes. Otherwise, this helper will be executed with the first command, then be sent to the next pipe.
+# If the command to execute uses double quotes, they have to be escaped or they will be interpreted and removed.
 #
 # | arg: command - command to execute
 ynh_exec_warn_less () {
@@ -122,6 +125,7 @@ ynh_exec_warn_less () {
 # usage: ynh_exec_quiet command to execute
 # usage: ynh_exec_quiet "command to execute | following command"
 # In case of use of pipes, you have to use double quotes. Otherwise, this helper will be executed with the first command, then be sent to the next pipe.
+# If the command to execute uses double quotes, they have to be escaped or they will be interpreted and removed.
 #
 # | arg: command - command to execute
 ynh_exec_quiet () {
@@ -133,6 +137,7 @@ ynh_exec_quiet () {
 # usage: ynh_exec_fully_quiet command to execute
 # usage: ynh_exec_fully_quiet "command to execute | following command"
 # In case of use of pipes, you have to use double quotes. Otherwise, this helper will be executed with the first command, then be sent to the next pipe.
+# If the command to execute uses double quotes, they have to be escaped or they will be interpreted and removed.
 #
 # | arg: command - command to execute
 ynh_exec_fully_quiet () {