diff --git a/doc/lz4_Frame_format.md b/doc/lz4_Frame_format.md
index 0c98df1..a8541f5 100644
--- a/doc/lz4_Frame_format.md
+++ b/doc/lz4_Frame_format.md
@@ -213,7 +213,7 @@ __Content Size__
 
 This is the original (uncompressed) size.
 This information is optional, and only present if the associated flag is set.
-Content size is provided using unsigned 8 Bytes, for a maximum of 16 HexaBytes.
+Content size is provided using unsigned 8 Bytes, for a maximum of 16 Exabytes.
 Format is Little endian.
 This value is informational, typically for display or memory allocation.
 It can be skipped by a decoder, or used to validate content correctness.