diff --git a/doc/api/timers.markdown b/doc/api/timers.markdown
index 92af0b64b4e07b..d05046a50efca9 100644
--- a/doc/api/timers.markdown
+++ b/doc/api/timers.markdown
@@ -28,7 +28,7 @@ you can also pass arguments to the callback.
 
 ## clearInterval(intervalObject)
 
-Stops a interval from triggering.
+Stops an interval from triggering.
 
 ## unref()
 
@@ -56,7 +56,7 @@ can also pass arguments to the callback.
 
 Callbacks for immediates are queued in the order in which they were created.
 The entire callback queue is processed every event loop iteration. If you queue
-an immediate from a inside an executing callback that immediate won't fire
+an immediate from inside an executing callback, that immediate won't fire
 until the next event loop iteration.
 
 ## clearImmediate(immediateObject)
diff --git a/doc/api/tls.markdown b/doc/api/tls.markdown
index 1b00e488f9d90a..c03845e8721d5c 100644
--- a/doc/api/tls.markdown
+++ b/doc/api/tls.markdown
@@ -221,7 +221,7 @@ automatically set as a listener for the [secureConnection][] event.  The
 
     NOTE: Automatically shared between `cluster` module workers.
 
-  - `sessionIdContext`: A string containing a opaque identifier for session
+  - `sessionIdContext`: A string containing an opaque identifier for session
     resumption. If `requestCert` is `true`, the default is MD5 hash value
     generated from command-line. Otherwise, the default is not provided.
 
@@ -501,7 +501,7 @@ connections using TLS or SSL.
 `function (tlsSocket) {}`
 
 This event is emitted after a new connection has been successfully
-handshaked. The argument is a instance of [tls.TLSSocket][]. It has all the
+handshaked. The argument is an instance of [tls.TLSSocket][]. It has all the
 common stream methods and events.
 
 `socket.authorized` is a boolean value which indicates if the