diff --git a/lang-guide/chapters/types/basic_types/filesize.md b/lang-guide/chapters/types/basic_types/filesize.md
index f4f2d127176..8c9ec0f06a1 100644
--- a/lang-guide/chapters/types/basic_types/filesize.md
+++ b/lang-guide/chapters/types/basic_types/filesize.md
@@ -25,8 +25,8 @@ The full list of `filesize` units is:
 | `PB`: petabytes          | `PiB`: pebibytes        |
 | `EB`: exabytes           | `EiB`: exbibytes        |
 
-::: tip
-File size units are case-insensitive. E.g., `1KiB`, `1kib`, and `1Kib` are all equivalent.
+::: warning
+File size units are case-insensitive. E.g., `1KiB`, `1kib`, and `1Kib` are all equivalent. Do not confuse it with bit!
 :::
 
 ## Common commands that can work with `filesizes`