diff --git a/apiary.apib b/apiary.apib
index 3c8e18d..e7e4326 100644
--- a/apiary.apib
+++ b/apiary.apib
@@ -4065,7 +4065,7 @@ read the entire file similar to unix cat.
 
 + Parameters
     + arg (string, required) - Path to file to be read.
-    + offset (number, optional) - Offset to read from. Alias: o.
+    + offset (number, optional) - Byte offset to begin reading from. Alias: o.
     + count (number, optional) - Maximum number of bytes to read. Alias: n.
     + flush (boolean, optional) - Flush target and ancestors after write. Default: true. Alias: f.