Fix typos in asset_pipeline.md [ci skip]

Per discussion in #24786.

guides/source/asset_pipeline.md

@@ -1115,8 +1115,8 @@ assets.
 ### Serving GZipped version of assets
 
 By default, gzipped version of compiled assets will be generated, along 
-with the non-gzipped version of assets. Gzipped assets help reduce, the transmission of 
-date over the wire. You can configure this by setting the `gzip` flag.
+with the non-gzipped version of assets. Gzipped assets help reduce the transmission of 
+data over the wire. You can configure this by setting the `gzip` flag.
 
 ```ruby
 config.assets.gzip = false # disable gzipped assets generation