diff --git a/letsencrypt-apache/letsencrypt_apache/dvsni.py b/letsencrypt-apache/letsencrypt_apache/dvsni.py
index c6c41dc51..ed88bf8a7 100644
--- a/letsencrypt-apache/letsencrypt_apache/dvsni.py
+++ b/letsencrypt-apache/letsencrypt_apache/dvsni.py
@@ -20,7 +20,7 @@ class ApacheDvsni(common.Dvsni):
         larger array. ApacheDvsni is capable of solving many challenges
         at once which causes an indexing issue within ApacheConfigurator
         who must return all responses in order.  Imagine ApacheConfigurator
-        maintaining state about where all of the SimpleHTTP Challenges,
+        maintaining state about where all of the http-01 Challenges,
         Dvsni Challenges belong in the response array.  This is an optional
         utility.
 
diff --git a/letsencrypt-nginx/letsencrypt_nginx/dvsni.py b/letsencrypt-nginx/letsencrypt_nginx/dvsni.py
index 9ac2fcd7c..662f10889 100644
--- a/letsencrypt-nginx/letsencrypt_nginx/dvsni.py
+++ b/letsencrypt-nginx/letsencrypt_nginx/dvsni.py
@@ -26,7 +26,7 @@ class NginxDvsni(common.Dvsni):
         larger array. NginxDvsni is capable of solving many challenges
         at once which causes an indexing issue within NginxConfigurator
         who must return all responses in order.  Imagine NginxConfigurator
-        maintaining state about where all of the SimpleHTTP Challenges,
+        maintaining state about where all of the http-01 Challenges,
         Dvsni Challenges belong in the response array.  This is an optional
         utility.