More descriptive message for space separated tags

diff --git a/sam_header.c b/sam_header.c
index 036ea88d28c7b2b82bd05606bbd79120887e86f3..05d75deb2c4ced014c6ae5f8612260d05b34660a 100644 (file)
--- a/sam_header.c
+++ b/sam_header.c
@@ -351,7 +351,7 @@ static HeaderLine *sam_header_line_parse(const char *headerLine)
 
     while (*to && *to!='\t') to++;
     if ( to-from != 2 ) {
-               debug("[sam_header_line_parse] expected '@XY', got [%s]\n", headerLine);
+               debug("[sam_header_line_parse] expected '@XY', got [%s]\nHint: The header tags must be tab-separated.\n", headerLine);
                return 0;
        }