chore: [release-2.9.x] docs: Label filter expression: Change unit suffix suffix to proper case whe… (#13345)

Co-authored-by: nickgrafana <169014307+nickgrafana@users.noreply.github.com>

docs/sources/query/log_queries/_index.md

@@ -225,7 +225,7 @@ We support multiple **value** types which are automatically inferred from the qu
 - **String** is double quoted or backticked such as `"200"` or \``us-central1`\`.
 - **[Duration](https://golang.org/pkg/time/#ParseDuration)** is a sequence of decimal numbers, each with optional fraction and a unit suffix, such as "300ms", "1.5h" or "2h45m". Valid time units are "ns", "us" (or "µs"), "ms", "s", "m", "h".
 - **Number** are floating-point number (64bits), such as`250`, `89.923`.
-- **Bytes** is a sequence of decimal numbers, each with optional fraction and a unit suffix, such as "42MB", "1.5Kib" or "20b". Valid bytes units are "b", "kib", "kb", "mib", "mb", "gib",  "gb", "tib", "tb", "pib", "pb", "eib", "eb".
+- **Bytes** is a sequence of decimal numbers, each with optional fraction and a unit suffix, such as "42MB", "1.5KiB" or "20B". Valid bytes units are "B", "kB", "MB", "GB", "TB", "KB", "KiB", "MiB", "GiB", "TiB".
 
 String type work exactly like Prometheus label matchers use in [log stream selector](#log-stream-selector). This means you can use the same operations (`=`,`!=`,`=~`,`!~`).
 
@@ -247,10 +247,10 @@ You can chain multiple predicates using `and` and `or` which respectively expres
 This means that all the following expressions are equivalent:
 
 ```logql
-| duration >= 20ms or size == 20kb and method!~"2.."
-| duration >= 20ms or size == 20kb | method!~"2.."
-| duration >= 20ms or size == 20kb , method!~"2.."
-| duration >= 20ms or size == 20kb  method!~"2.."
+| duration >= 20ms or size == 20KB and method!~"2.."
+| duration >= 20ms or size == 20KB | method!~"2.."
+| duration >= 20ms or size == 20KB , method!~"2.."
+| duration >= 20ms or size == 20KB  method!~"2.."
 
 ```