Minor string fixes (DEV) (#2629)

* Update contact_diary_strings.xml

* Update strings.xml

Corona-Warn-App/src/main/res/values-de/contact_diary_strings.xml

@@ -12,7 +12,7 @@
     <string name="contact_diary_person_list_no_items_title">"Noch keine Personen vorhanden"</string>
     <string name="contact_diary_person_list_no_items_subtitle">"Legen Sie eine Person an und fügen Sie sie in Ihrem Kontakt-Tagebuch hinzu."</string>
     <string name="contact_diary_add_person_title">"Person"</string>
-    <string name="contact_diary_add_person_text_input_name_hint">"Vorname, Nachname"</string>
+    <string name="contact_diary_add_person_text_input_name_hint">"Name"</string>
     <string name="contact_diary_add_text_input_phone_hint">"Telefon"</string>
     <string name="contact_diary_add_text_input_email_hint">"E-Mail"</string>
     <string name="contact_diary_add_person_save_button">"Speichern"</string>

Corona-Warn-App/src/main/res/values-de/strings.xml

@@ -267,7 +267,7 @@
     <!-- XHED: risk details - headline, how a user should act -->
     <string name="risk_details_headline_behavior">"Verhalten"</string>
     <!-- XHED: risk details - multiline headline, bold, how to act correct -->
-    <string name="risk_details_subtitle_behavior">"So verhalten Sie sich richtig:"</string>
+    <string name="risk_details_subtitle_behavior">"So verhalten Sie sich richtig."</string>
     <!-- XMSG: risk details - go/stay home, something like a bullet point -->
     <string name="risk_details_behavior_body_stay_home">"Begeben Sie sich, wenn möglich, nach Hause bzw. bleiben Sie zu Hause."</string>
     <!-- XMSG: risk details - get in touch with the corresponding people, something like a bullet point -->