diff --git a/README.md b/README.md
index 647440f..7d01e36 100644
--- a/README.md
+++ b/README.md
@@ -10,11 +10,11 @@ cargo install --git https://git.hatter.ink/hatter/runrs runrs
 
 Environment variables
 
-| KEY | value                                                         |
-| ---- |---------------------------------------------------------------|
-| `HOME` | User home, default by OS system                               |
-| `SKIP_CACHE` | Skip compiled cache file , turn on `true`, `yes`, `on` or `1` |
-| `RUST_SCRIPT` | `rust_script` command line bin file                           |
+| Env Key       | Env Value                                                      |
+|---------------|----------------------------------------------------------------|
+| `HOME`        | User home, default by OS system                                |
+| `SKIP_CACHE`  | Skip compiled cached file , turn on `true`, `yes`, `on` or `1` |
+| `RUST_SCRIPT` | `rust_script` command line bin file                            |
 
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