diff --git a/actions/dynamicdns b/actions/dynamicdns
index 61f50aa9b..f69bbfddf 100755
--- a/actions/dynamicdns
+++ b/actions/dynamicdns
@@ -41,7 +41,7 @@ EMPTYSTRING="none"
 NOIP="0.0.0.0"
 # how often do we poll for IP changes if we are behind a NAT?
 UPDATEMINUTES=5
-# if we do not have a URL to lookup public IP, how often should we do
+# if we do not have a URL to look up public IP, how often should we do
 # a "blind" update
 UPDATEMINUTESUNKNOWN=3600
 TOOLNAME=ez-ipupdate
@@ -440,7 +440,7 @@ case ${cmd} in
         echo "-u <user>               Account username"
         echo "-P <password>           Account password"
         echo "-p                      Read Account Password from stdin"
-        echo "-I <URL to lookup public IP>       A URL which returns the IP of the client who is requesting"
+        echo "-I <URL to look up public IP>       A URL which returns the IP of the client who is requesting"
         echo "-U <update URL>         The update URL (a HTTP GET on this URL will be done)"
         echo "-c <1|0>                disable SSL check on Update URL"
         echo "-b <1|0>                use HTTP basic auth on Update URL"
diff --git a/plinth/modules/dynamicdns/dynamicdns.py b/plinth/modules/dynamicdns/dynamicdns.py
index f1c63a274..79b9a9e4d 100644
--- a/plinth/modules/dynamicdns/dynamicdns.py
+++ b/plinth/modules/dynamicdns/dynamicdns.py
@@ -150,7 +150,7 @@ class ConfigureForm(forms.Form):
                                 required=False)
 
     dynamicdns_ipurl = TrimmedCharField(
-        label=ugettext_lazy('URL to lookup public IP'),
+        label=ugettext_lazy('URL to look up public IP'),
         required=False,
         help_text=help_ip_url,
         validators=[
diff --git a/plinth/modules/dynamicdns/templates/dynamicdns_status.html b/plinth/modules/dynamicdns/templates/dynamicdns_status.html
index b0859102c..846edaf1c 100644
--- a/plinth/modules/dynamicdns/templates/dynamicdns_status.html
+++ b/plinth/modules/dynamicdns/templates/dynamicdns_status.html
@@ -36,11 +36,11 @@
       {% else %}
         {% blocktrans trimmed %}
           Behind NAT. This means that Dynamic DNS service will poll
-          the "URL to lookup public IP" for changes (the "URL to
-          lookup public IP" entry is needed for this, otherwise IP
-          changes will not be detected). In case the WAN IP changes,
-          it may take up to {{ timer }} minutes until your DNS entry
-          is updated.
+          the "URL to look up public IP" for changes (the "URL to look
+          up public IP" entry is needed for this, otherwise IP changes
+          will not be detected). In case the WAN IP changes, it may
+          take up to {{ timer }} minutes until your DNS entry is
+          updated.
         {% endblocktrans %}
       {% endif %}
     {% endif %}