diff --git a/plugins/aps/src/main/res/values/strings.xml b/plugins/aps/src/main/res/values/strings.xml
index 6dd6a65a33..fa718b1246 100644
--- a/plugins/aps/src/main/res/values/strings.xml
+++ b/plugins/aps/src/main/res/values/strings.xml
@@ -23,7 +23,8 @@
     <string name="key_DynISFAdjust" translatable="false">DynISFAdjust</string>
     <string name="key_adjust_sensitivity" translatable="false">dynisf_adjust_sensitivity</string>
 
-    <string name="dynisf_adjust_sensitivity">Adjust sensitivity and BG</string>
+    <string name="dynisf_adjust_sensitivity">Adjust sensitivity and basal</string>
+    <string name="dynisf_adjust_sensitivity_summary">If activated DynISF uses the last 24h TDD/7D TDD as the basis for adjusting calculated ISF and also for increasing and decreasing basal rate, in the same way that standard Autosens does</string>
     <string name="DynISFAdjust_title" formatted="false">DynamicISF Adjustment Factor %</string>
     <string name="DynISFAdjust_summary" formatted="false">Adjustment factor for DynamicISF. Set more than 100% for more aggressive correction doses, and less than 100% for less aggressive corrections.</string>
     <string name="high_temptarget_raises_sensitivity_title">High temptarget raises sensitivity</string>
@@ -150,4 +151,5 @@
     <string name="fallback_smb_no_tdd">Fallback to SMB. Not enough TDD data.</string>
 
 
-</resources>
\ No newline at end of file
+
+</resources>
diff --git a/plugins/aps/src/main/res/xml/pref_openapssmbdynamicisf.xml b/plugins/aps/src/main/res/xml/pref_openapssmbdynamicisf.xml
index 6bcc93117b..6c6a192efe 100644
--- a/plugins/aps/src/main/res/xml/pref_openapssmbdynamicisf.xml
+++ b/plugins/aps/src/main/res/xml/pref_openapssmbdynamicisf.xml
@@ -52,6 +52,7 @@
         <SwitchPreference
             android:defaultValue="false"
             android:key="@string/key_adjust_sensitivity"
+            android:summary="@string/dynisf_adjust_sensitivity_summary"
             android:title="@string/dynisf_adjust_sensitivity" />
 
         <SwitchPreference