Update src/content/configuration/optimization.mdx

Co-authored-by: Sam Chen <chenxsan@gmail.com>

Author: fi3ework

src/content/configuration/optimization.mdx

@@ -132,7 +132,7 @@ Use `optimization.avoidEntryIife` to avoid wrapping the entry module in an IIFE
 
 Currently, `optimization.avoidEntryIife` can only optimize a single entry module along with other modules.
 
-By default `optimization.avoidEntryIife` is enabled in `production` [mode](/configuration/mode/) and disabled elsewise.
+By default, `optimization.avoidEntryIife` is enabled in `production` [mode](/configuration/mode/) and disabled otherwise.
 
 **webpack.config.js**