diff --git a/src/gsc_cli.erl b/src/gsc_cli.erl
index 7174f9e..a0f5571 100644
--- a/src/gsc_cli.erl
+++ b/src/gsc_cli.erl
@@ -22,63 +22,52 @@ do_help() ->
     io:format("~ts", [help_screen()]).
 
 help_screen() ->
-    ["Usage: gsc <command> [args]\n"
-     "\n"
-     "COMMANDS\n"
-     "\n"
-     "  (no args)\n"
-     "  shell\n"
-     "  eshell\n"
-     "      Start an Erlang shell with GSC loaded.\n"
-     "\n"
-     "  tokens <file>\n"
-     "      Print GSC tokens from <file>, one per line.\n"
-     "\n"
-     "  tokens -c <file>\n"
-     "  tokens --color <file>\n"
-     "  tcat <file>\n"
-     "  ctokens <file>\n"
-     "  color_tokens <file>\n"
-     "      Print <file> to stdout with each token highlighted in a\n"
-     "      different color so token boundaries are visible.\n"
-     "\n"
-     "  gso tokens <file>\n"
-     "  gso_tokens <file>\n"
-     "      Print sophia-compatible (so_scan) tokens from <file>,\n"
-     "      one per line.\n"
-     "\n"
-     "  rmm <file>\n"
-     "      Compile <file> and call its main/0 with GSC context loaded.\n"
-     "      Useful for running scratch scripts.\n"
-     "\n"
-     "TEST HARNESS  (gsc test ...)\n"
-     "\n"
-     "  gsc test -l\n"
-     "  gsc test --list\n"
-     "      List available named tests.\n"
-     "\n"
-     "  gsc test -a\n"
-     "  gsc test --all\n"
-     "      Run all named tests.\n"
-     "\n"
-     "  gsc test so tokens <file>\n"
-     "  gsc test so_tokens <file>\n"
-     "      Print sophia-original (so_scan) tokens from <file>,\n"
-     "      one per line.\n"
-     "\n"
-     "  gsc test tokenizers_agree <file>\n"
-     "      Check whether gsc and so_scan produce identical tokens\n"
-     "      for <file>.  Prints 'true' or 'false'.\n"
-     "      <file> is resolved relative to cwd.\n"
-     "      Example:\n"
-     "        gsc test tokenizers_agree foo.aes\n"
-     "\n"
-     "  gsc test <name>\n"
-     "      Run a named test module.  'gsc test foo' and\n"
-     "      'gsc test gsc_test_foo' are equivalent.\n"
-     "      Use 'gsc test --list' to see available names.\n"
-     "\n"
-    ].
+    """
+    Usage: gsc <command> [args]
+    COMMANDS
+      (no args)
+      shell
+      eshell
+          Start an Erlang shell with GSC loaded.
+      tokens <file>
+          Print GSC tokens from <file>, one per line.
+      tokens -c <file>
+      tokens --color <file>
+      tcat <file>
+      ctokens <file>
+      color_tokens <file>
+          Print <file> to stdout with each token highlighted in a
+          different color so token boundaries are visible.
+      gso tokens <file>
+      gso_tokens <file>
+          Print sophia-compatible (so_scan) tokens from <file>,
+          one per line.
+      rmm <file>
+          Compile <file> and call its main/0 with GSC context loaded.
+          Useful for running scratch scripts.
+
+    TEST HARNESS  (gsc test ...)
+      gsc test -l
+      gsc test --list
+          List available named tests.
+      gsc test -a
+      gsc test --all
+          Run all named tests.
+      gsc test so tokens <file>
+      gsc test so_tokens <file>
+          Print sophia-original (so_scan) tokens from <file>,
+          one per line.
+      gsc test tokenizers_agree <file>
+          Check whether gsc and so_scan produce identical tokens
+          for <file>.  Prints 'true' or 'false'.
+          <file> is resolved relative to cwd.
+          Example:
+            gsc test tokenizers_agree foo.aes
+      gsc test <name>
+          Run a named test module.  'gsc test foo' and
+          'gsc test gsc_test_foo' are equivalent.
+          Use 'gsc test --list' to see available names.
+    """.
 
 
 -spec start(ArgV) -> ok