diff --git a/packages/standard-minifier-js/README.md b/packages/standard-minifier-js/README.md
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@@ -3,9 +3,25 @@
 ***
 
 Standard Minifier for JS
-===
+========================
 
-This package provides a minifier plugin used for Meteor apps by default.
+This package provides a minifier plugin used for Meteor apps by default. The behavior
+of this plugin during a development build is that all JS files will not be minified, 
+they will include a source map, and are sent to the client as seperate files. The behavior 
+during a production build is that all JS files are concatenated into a single, minified JS 
+file and this file will not include a source map.
 
-The JS minifier uses UglifyJS2. The options include name-mangling and other
-commonly used options.
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+The JS minifier package uses `Terser` version `4.6.6` as of `Meteor` version `1.10.1`. The options 
+we setting that differ from the default settings are the following:
+
+```
+drop_debugger: false
+unused:        false 
+safari10:       true
+```
+
+The rest of the minification options are the default values that `Terser` uses out of the box.
+Additionally, we are only making a single pass over the source in order to compress the 
+output and this could be something we want to increase in the future. JS files are only
+minified during a production build and the extra time spent on a second or third pass
+may be worth the improved compression.
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