diff --git a/draft-documents/petnames.md b/draft-documents/petnames.md
index 73f6e88..4da42ad 100644
--- a/draft-documents/petnames.md
+++ b/draft-documents/petnames.md
@@ -11,7 +11,7 @@ decentralized and globally unique, they are not human readable. How can
 we build user interfaces that real users might actually use?  In this 
 paper we provide an overview of petname systems, a way of mapping
 human readable names to cryptographically secure names, and describe
-changes to two user interface designs that we believe that are
+changes to two user interface designs that we believe are
 compatible with intuitive user expectations.  We first discuss the
 smartphone contact list as already approximating petnames to some
 degree and discuss how to augment it with secure introduction.  We
@@ -19,7 +19,7 @@ then walk through several changes to browsers (which may be provided
 natively or as an extension) which add the functionality of a petname
 system.  By utilizing petname systems we are able to collectively
 support individual naming definitions, community curated directories
-of names, as well as exiting naming authorities such as certificate
+of names, as well as existing naming authorities such as certificate
 authorities and the domain name system, government agencies such as
 trademark offices, and decentralized systems such as Namecoin.