l10n: Fixed grammar

Reported at Transifex.

Signed-off-by: rakekniven <2069590+rakekniven@users.noreply.github.com>


Signed-off-by: rakekniven <2069590+rakekniven@users.noreply.github.com>

app/src/main/res/values/strings.xml

@@ -213,7 +213,7 @@
     <string name="nc_call_state_with_phone">%1$s with phone</string>
     <string name="nc_call_state_with_video">%1$s with video</string>
     <string name="nc_missed_call">You missed a call from %s</string>
-    <string name="nc_call_button_content_description_pip">Open picture in picture mode</string>
+    <string name="nc_call_button_content_description_pip">Open picture-in-picture mode</string>
     <string name="nc_call_button_content_description_audio_output">Change audio output</string>
     <string name="nc_call_button_content_description_camera">Toggle camera</string>
     <string name="nc_call_button_content_description_microphone">Toggle microphone</string>