diff --git a/doc/api/readline.markdown b/doc/api/readline.markdown
index 112206993b2449..cdf424339ed06a 100644
--- a/doc/api/readline.markdown
+++ b/doc/api/readline.markdown
@@ -77,7 +77,7 @@ Resumes the readline `input` stream.
 ### rl.setPrompt(prompt)
 
 Sets the prompt, for example when you run `node` on the command line, you see
-`> `, which is node.js's prompt.
+`> `, which is Node.js's prompt.
 
 ### rl.write(data[, key])
 
diff --git a/doc/api/util.markdown b/doc/api/util.markdown
index 27913b809dde3a..ed5e427124edd3 100644
--- a/doc/api/util.markdown
+++ b/doc/api/util.markdown
@@ -5,12 +5,12 @@
 These functions are in the module `'util'`. Use `require('util')` to
 access them.
 
-The `util` module is primarily designed to support the needs of node.js's
+The `util` module is primarily designed to support the needs of Node.js's
 internal APIs.  Many of these utilities are useful for your own
 programs.  If you find that these functions are lacking for your
 purposes, however, you are encouraged to write your own utilities.  We
 are not interested in any future additions to the `util` module that
-are unnecessary for node.js's internal functionality.
+are unnecessary for Node.js's internal functionality.
 
 ## util.debug(string)
 
@@ -260,7 +260,7 @@ Returns `true` if the given "object" is a `Boolean`. `false` otherwise.
       // false
     util.isBoolean(false)
       // true
-      
+
 ## util.isBuffer(object)
 
     Stability: 0 - Deprecated
diff --git a/doc/api/v8.markdown b/doc/api/v8.markdown
index ea0d04d25b7efd..1cee348ba1ca9d 100644
--- a/doc/api/v8.markdown
+++ b/doc/api/v8.markdown
@@ -3,7 +3,7 @@
     Stability: 2 - Stable
 
 This module exposes events and interfaces specific to the version of [V8][]
-built with node.js.  These interfaces are subject to change by upstream and are
+built with Node.js.  These interfaces are subject to change by upstream and are
 therefore not covered under the stability index.
 
 ## getHeapStatistics()
@@ -27,7 +27,7 @@ Set additional V8 command line flags.  Use with care; changing settings
 after the VM has started may result in unpredictable behavior, including
 crashes and data loss.  Or it may simply do nothing.
 
-The V8 options available for a version of node.js may be determined by running
+The V8 options available for a version of Node.js may be determined by running
 `node --v8-options`.  An unofficial, community-maintained list of options
 and their effects is available [here][].