fix readme.

2 files changed, 7 insertions, 2 deletions

diff --git a/README.md b/README.md
index 50124d1..31198dc 100644
--- a/README.md
+++ b/README.md
@@ -87,17 +87,22 @@ Usage: yue [options|files|directories] ...
 
    -h       Print this message
    -e str   Execute a file or raw codes
+   -m       Generate minified codes
    -t path  Specify where to place compiled files
    -o file  Write output to file
    -s       Use spaces in generated codes instead of tabs
-   -m       Generate minified codes
    -p       Write output to standard out
    -b       Dump compile time (doesn't write output)
+   -g       Dump global variables used in NAME LINE COLUMN
    -l       Write line numbers from source codes
    -v       Print version
    --       Read from standard in, print to standard out
             (Must be first and only argument)
 
+   --target=version  Specify the Lua version that codes will be generated to
+                     (version can only be 5.1, 5.2, 5.3 or 5.4)
+   --path=path_str   Append an extra Lua search path string to package.path
+
    Execute without options to enter REPL, type symbol '$'
    in a single line to start/stop multi-line mode
 ```
diff --git a/src/yuescript/yue_parser.cpp b/src/yuescript/yue_parser.cpp
index df64759..0d9a183 100644
--- a/src/yuescript/yue_parser.cpp
+++ b/src/yuescript/yue_parser.cpp
@@ -544,7 +544,7 @@ YueParser::YueParser() {
         | (not_(Space >> export_default) >> pl::user(true_(), [](const item_t& item) {
                 State* st = reinterpret_cast<State*>(item.user_data);
                 if (st->exportDefault && st->exportCount > 1) {
-                        throw ParserError("can not export more items when export default has been declared", *item.begin, *item.end);
+                        throw ParserError("can not export any more items when 'export default' is declared", *item.begin, *item.end);
                 }
                 return true;
         }) >> ExpList >> -Assign)