diff --git a/examples/online/index.js b/examples/online/index.js
index 5cdaa6ca8d2..f14474c08d3 100644
--- a/examples/online/index.js
+++ b/examples/online/index.js
@@ -1,4 +1,8 @@
-// first:
+
+// install redis first:
+// https://redis.io/
+
+// then:
 // $ npm install redis online
 // $ redis-server
 
diff --git a/examples/params/index.js b/examples/params/index.js
index d70f0beeeb1..f918b5fd30d 100644
--- a/examples/params/index.js
+++ b/examples/params/index.js
@@ -68,7 +68,7 @@ app.get('/users/:from-:to', function(req, res, next){
   var from = req.params.from;
   var to = req.params.to;
   var names = users.map(function(user){ return user.name; });
-  res.send('users ' + names.slice(from, to).join(', '));
+  res.send('users ' + names.slice(from, to + 1).join(', '));
 });
 
 /* istanbul ignore next */
diff --git a/examples/route-separation/views/index.ejs b/examples/route-separation/views/index.ejs
index 6d1afb4ac3d..2a0b095fa36 100644
--- a/examples/route-separation/views/index.ejs
+++ b/examples/route-separation/views/index.ejs
@@ -4,7 +4,7 @@
 
 <ul>
   <li>Visit the <a href="/users">users</a> page.</li>
-  <li>Visit the <a href="/users">posts</a> page.</li>
+  <li>Visit the <a href="/posts">posts</a> page.</li>
 </ul>
 
 <% include footer %>
diff --git a/examples/search/index.js b/examples/search/index.js
index 79f5d9f4d36..246993caa5a 100644
--- a/examples/search/index.js
+++ b/examples/search/index.js
@@ -1,4 +1,8 @@
-// first:
+
+// install redis first:
+// https://redis.io/
+
+// then:
 // $ npm install redis
 // $ redis-server
 
diff --git a/examples/session/index.js b/examples/session/index.js
index de41a77d2c0..9bae48b8d33 100644
--- a/examples/session/index.js
+++ b/examples/session/index.js
@@ -1,4 +1,8 @@
-// first:
+
+// install redis first:
+// https://redis.io/
+
+// then:
 // $ npm install redis
 // $ redis-server
 
diff --git a/examples/view-constructor/github-view.js b/examples/view-constructor/github-view.js
index 53890291056..0a98a908434 100644
--- a/examples/view-constructor/github-view.js
+++ b/examples/view-constructor/github-view.js
@@ -2,7 +2,7 @@
  * Module dependencies.
  */
 
-var http = require('http');
+var https = require('https');
 var path = require('path');
 var extname = path.extname;