diff --git a/docs/app-engine-architecture.md b/docs/app-engine-architecture.md
index cdbccdc23..7ca73cf0d 100644
--- a/docs/app-engine-architecture.md
+++ b/docs/app-engine-architecture.md
@@ -1,6 +1,7 @@
 # App Engine architecture
 
-This document contains information on the overall architecture of the Domain Registry project as it is implemented in App Engine.
+This document contains information on the overall architecture of the Domain
+Registry project as it is implemented in App Engine.
 
 ## Modules
 
diff --git a/docs/developing.md b/docs/developing.md
index 4ac317558..cb4d13070 100644
--- a/docs/developing.md
+++ b/docs/developing.md
@@ -1,3 +1,4 @@
 # Developing
 
-Advice on how to do development on the Domain Registry codebase (including how to set up an IDE environment and run tests).
+Advice on how to do development on the Domain Registry codebase (including how
+to set up an IDE environment and run tests).
diff --git a/docs/install.md b/docs/install.md
index 419e75b20..90aaf9486 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -1,3 +1,4 @@
 # Installation
 
-Information on how to download and install the Domain Registry project and get a working running instance.
+Information on how to download and install the Domain Registry project and get a
+working running instance.