plistutil: Improve usage text alignment
diff --git a/tools/plistutil.c b/tools/plistutil.c
index 99f7e93..c7f1a3f 100644
--- a/tools/plistutil.c
+++ b/tools/plistutil.c
@@ -48,10 +48,10 @@
     name = strrchr(argv[0], '/');
     printf("Usage: %s -i|--infile FILE [-o|--outfile FILE] [-d|--debug]\n", (name ? name + 1: argv[0]));
     printf("Convert a plist FILE from binary to XML format or vice-versa.\n\n");
-    printf("  -i, --infile FILE\tOptional FILE to convert from or stdin if - or not used\n");
-    printf("  -o, --outfile FILE\tOptional FILE to convert to or stdout if - or not used\n");
-    printf("  -f, --format [bin|xml]\t\tForce output format, regardless of input type\n");
-    printf("  -d, --debug\t\tEnable extended debug output\n");
+    printf("  -i, --infile FILE    Optional FILE to convert from or stdin if - or not used\n");
+    printf("  -o, --outfile FILE   Optional FILE to convert to or stdout if - or not used\n");
+    printf("  -f, --format [bin|xml]  Force output format, regardless of input type\n");
+    printf("  -d, --debug          Enable extended debug output\n");
     printf("\n");
 }