slightly tweak the wording
diff --git a/doc/file_format.md b/doc/file_format.md
index 91f652b..a7dcdf2 100644
--- a/doc/file_format.md
+++ b/doc/file_format.md
@@ -24,4 +24,4 @@ static void write_neutral_s32(u8 * data, s32 value) {
After the header, the file may contain an unlimited amount of chunks. Each chunk starts with the _new_ size - a 32-bit integer signifying the _compressed_ size of the block, and the _old_ size - a 32-bit integer signifying the _decompressed_ size. Then, a sequence of bzip3-compressed data follows.
-CRC32 checking is left up to libbz3 to verify.
+CRC32 checking is left up to libbz3.
