diff --git a/src/scanner.c b/src/scanner.c
index b7d3dcde523db009bb7fd7e6f398daa22991839c_c3JjL3NjYW5uZXIuYw==..23f3f759f83239044c8fe2fc6fec890510722c1b_c3JjL3NjYW5uZXIuYw== 100644
--- a/src/scanner.c
+++ b/src/scanner.c
@@ -3523,7 +3523,7 @@
                 if (leading_blanks && (int)parser->mark.column < indent
                         && IS_TAB(parser->buffer)) {
                     yaml_parser_set_scanner_error(parser, "while scanning a plain scalar",
-                            start_mark, "found a tab character that violate indentation");
+                            start_mark, "found a tab character that violates indentation");
                     goto error;
                 }