docs: use markdown formatting for files-from help text

README.md

@@ -487,14 +487,15 @@ Options:
           cumbersome to specify on the command line directly.
 
           Examples:
-            lychee --files-from list.txt
-            find . -name '*.md' | lychee --files-from -
-            echo 'README.md' | lychee --files-from -
+
+              lychee --files-from list.txt
+              find . -name '*.md' | lychee --files-from -
+              echo 'README.md' | lychee --files-from -
 
           File Format:
-            Each line should contain one input (file path, URL, or glob pattern).
-            Lines starting with '#' are treated as comments and ignored.
-            Empty lines are also ignored.
+          - Each line should contain one input (file path, URL, or glob pattern).
+          - Lines starting with '#' are treated as comments and ignored.
+          - Empty lines are also ignored.
 
       --generate <GENERATE>
           Generate special output (e.g. the man page) instead of performing link checking

lychee-bin/src/options.rs

@@ -398,14 +398,15 @@ This is useful when you have a large number of inputs that would be
 cumbersome to specify on the command line directly.
 
 Examples:
-  lychee --files-from list.txt
-  find . -name '*.md' | lychee --files-from -
-  echo 'README.md' | lychee --files-from -
+
+    lychee --files-from list.txt
+    find . -name '*.md' | lychee --files-from -
+    echo 'README.md' | lychee --files-from -
 
 File Format:
-  Each line should contain one input (file path, URL, or glob pattern).
-  Lines starting with '#' are treated as comments and ignored.
-  Empty lines are also ignored."
+- Each line should contain one input (file path, URL, or glob pattern).
+- Lines starting with '#' are treated as comments and ignored.
+- Empty lines are also ignored."
     )]
     files_from: Option<PathBuf>,