diff --git a/README.md b/README.md
index 0775048..ba2c5d6 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,8 @@ This library is pure Go (including external libraries) which can cause some issu
   * LZMA executable filters are NOT supported.
 * No Xattr parsing. This is simply because I haven't done any research on it and how to apply these in a pure go way.
 
-## Performane
+## Performance
 
-This library, decompressing the Firefox AppImage and using go tests, takes about twice as long as `unsquashfs` on my quad core laptop. (~1 second with the library and about half a second with `unsquashfs`)
+This library, decompressing the Firefox AppImage and using go tests, takes about twice as long as `unsquashfs` on my quad core laptop. (~1 second with the library and about half a second with `unsquashfs`).
+
+**My recents tests have shown the Firefox AppImage might be an outlier and this library might be considerably slower (4x ~ 6x time slower then `unsquashfs`)**