Index: libs/thread/doc/external_locking.qbk
===================================================================
--- libs/thread/doc/external_locking.qbk	(revision 85161)
+++ libs/thread/doc/external_locking.qbk	(working copy)
@@ -217,7 +217,7 @@
 * You can create a `strict_lock<T>` only starting from a valid T object. Notice that there is no other way you can create a `strict_lock<T>`.
 
     BankAccount myAccount("John Doe", "123-45-6789");
-    strict_locerk<BankAccount> myLock(myAccount); // ok
+    strict_lock<BankAccount> myLock(myAccount); // ok
 
 * You cannot copy `strict_lock`s to one another. In particular, you cannot pass `strict_lock`s by value to functions or have them returned by functions:
 
@@ -468,7 +468,7 @@
 We need a way to transfer the ownership from the `unique_lock` to a `strict_lock` the time we are working with `savingsAcct_` and then restore the ownership on `unique_lock`.
 
   void AccountManager::AMoreComplicatedChecking2Savings(int amount) {
-      unique_lock<AccountManager> guard(*this, defer_lock);
+      unique_lock<AccountManager> guard1(*this, defer_lock);
       if (some_condition()) {
           guard1.lock();
       }