diff --git a/demo.md b/demo.md
index a8fa7a62..1382be5b 100644
--- a/demo.md
+++ b/demo.md
@@ -1,18 +1,17 @@
 There are some cases where the the standard grammar
 checkers don't cut it. That;s where Harper comes in handy.
 
-Harper is an language checker for developers. it can detect
+Harper is an language checker for developers. It can detect
 improper capitalization and misspellled words,
 as well as a number of other issues.
 Like if you break up words you shoul dn't.
-Harper can be a lifesaver when writing technical documents, 
+Harper can be an lifesaver when writing technical documents, 
 emails or other formal forms of communication.
 
 Harper works everywhere, even when you're not online. Since your data
-never leaves your device, you don't need too worry aout us
-selling it or using it to train large language models, 
-despite of the consequences.
+never leaves your device, you don't ned too worry aout us
+selling it or using it to train large language models.
 
 The best part: Harper can give you feedback instantly.
 For most documents, Harper can serve up suggestions in
-under 10 ms.
+under 10 ms, faster that Grammarly.