diff --git a/index.xhtml b/index.xhtml
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@@ -380,7 +380,7 @@
make creating server software a good learning exercise for students,
make creating your own client software easy to do for a a competent software developer of 3 to 10 years of experience,
make creating your own server software easy to do for a a competent software developer of 3 to 10 years of experience,
- try to make it so multiple client software exists and new client software keeps on getting created, so that a malicious party doesn't have a single point of attack (i.., a single client) that if they compromise to compromise users' privacy,
+ try to make it so multiple client software exists and new client software keeps on getting created, so that a malicious party doesn't have a single point of attack (i.e., a single client) that if they compromise to compromise users' privacy,