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-rw-r--r--src/internal/argv/argv.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/internal/argv/argv.h b/src/internal/argv/argv.h
index e0cc5f3..fd0c3ac 100644
--- a/src/internal/argv/argv.h
+++ b/src/internal/argv/argv.h
@@ -478,7 +478,7 @@ static void argv_show_error(struct argv_ctx * ctx)
switch (ctx->errcode) {
case ARGV_ERROR_SHORT_OPTION:
- fprintf(stderr,"'%c' is not a valid short option\n",*ctx->errch);
+ fprintf(stderr,"'-%c' is not a valid short option\n",*ctx->errch);
break;
case ARGV_ERROR_LONG_OPTION: