docs: fix anchors for broken relative links (#32478)

docs/api/browser-window.md

@@ -996,7 +996,7 @@ APIs like `win.setSize`.
   is `true`). Default is `#FFF` (white).
 
 Sets the background color of the window. See [Setting
-`backgroundColor`](#setting-backgroundcolor).
+`backgroundColor`](#setting-the-backgroundcolor-property).
 
 #### `win.previewFile(path[, displayName])` _macOS_
 
@@ -1041,7 +1041,7 @@ Returns [`Rectangle`](structures/rectangle.md) - The `bounds` of the window as `
 #### `win.getBackgroundColor()`
 
 Returns `string` - Gets the background color of the window. See [Setting
-`backgroundColor`](#setting-backgroundcolor).
+`backgroundColor`](#setting-the-backgroundcolor-property).
 
 #### `win.setContentBounds(bounds[, animate])`
 

docs/api/environment-variables.md

@@ -122,7 +122,7 @@ Prints Chromium's internal logging to the console.
 
 Setting this variable is the same as passing `--enable-logging`
 on the command line. For more info, see `--enable-logging` in [command-line
-switches](./command-line-switches.md#enable-loggingfile).
+switches](./command-line-switches.md#--enable-loggingfile).
 
 ### `ELECTRON_LOG_FILE`
 
@@ -130,7 +130,7 @@ Sets the file destination for Chromium's internal logging.
 
 Setting this variable is the same as passing `--log-file`
 on the command line. For more info, see `--log-file` in [command-line
-switches](./command-line-switches.md#log-filepath).
+switches](./command-line-switches.md#--log-filepath).
 
 ### `ELECTRON_DEBUG_DRAG_REGIONS`