update pulse audio doc

Author: ogios

data/doc/4.widgets/2.speaker.md

@@ -16,8 +16,7 @@ _Example:_
     "width": 20,
     "height": "12.5%",
     "frame_rate": 60
-    // "device": "EDIFIER W860NB Pro Analog Stereo",
-    // "device": "Family 17h/19h HD Audio Controller Analog Stereo",
+    // "device": "alsa_output.pci-0000_05_00.6.analog-stereo",
     // "redraw_only_on_pa_change": true,
   }
 }
@@ -37,8 +36,14 @@ const `speaker`
 
 ## `device`
 
-Device description for sink or source. you can find it with `pamixer --list-sinks/--list-sources` at the end of each line.  
-Provide `null` to use default sink.
+Device name for sink or source.  
+Empty to use default sink.
+
+_TO FIND SINK NAMES:_
+
+```shell
+$ pactl list sinks | grep Name:
+```
 
 _Type: `null | string`_  
 _Default: `null`_

data/doc/4.widgets/3.microphone.md

@@ -20,6 +20,8 @@ _Example:_
     "height": "12.5%",
     "frame_rate": 60,
     "fg_color": "#BD93F9"
+    // "device": "alsa_output.pci-0000_05_00.6.analog-stereo",
+    // "redraw_only_on_pa_change": true,
   }
 }
 ```
@@ -38,8 +40,14 @@ const `microphone`
 
 ## `device`
 
-Device description for sink or source. you can find it with `pamixer --list-sinks/--list-sources` at the end of each line.  
-Provide `null` to use default source.
+Device name for sink or source.  
+Empty to use default source.
+
+_TO FIND SOURCE NAMES:_
+
+```shell
+$ pactl list sources | grep Name:
+```
 
 _Type: `null | string`_  
 _Default: `null`_