Change spelling back to "behaviour" and "flavour" instead of the
American variants.
diff --git a/doc/crypto/BIO_f_md.pod b/doc/crypto/BIO_f_md.pod
index ebca944..c32504d 100644
--- a/doc/crypto/BIO_f_md.pod
+++ b/doc/crypto/BIO_f_md.pod
@@ -127,7 +127,7 @@
 
 =head1 BUGS
 
-The lack of support for BIO_puts() and the non standard behavior of
+The lack of support for BIO_puts() and the non standard behaviour of
 BIO_gets() could be regarded as anomalous. It could be argued that BIO_gets()
 and BIO_puts() should be passed to the next BIO in the chain and digest
 the data passed through and that digests should be retrieved using a
diff --git a/doc/crypto/BIO_f_ssl.pod b/doc/crypto/BIO_f_ssl.pod
index 122deb4..ba36eff 100644
--- a/doc/crypto/BIO_f_ssl.pod
+++ b/doc/crypto/BIO_f_ssl.pod
@@ -33,7 +33,7 @@
 =head1 DESCRIPTION
 
 BIO_f_ssl() returns the SSL BIO method. This is a filter BIO which
-is a wrapper round the OpenSSL SSL routines adding a BIO "flavor" to
+is a wrapper round the OpenSSL SSL routines adding a BIO "flavour" to
 SSL I/O. 
 
 I/O performed on an SSL BIO communicates using the SSL protocol with
@@ -100,7 +100,7 @@
 case where this happens is when SGC or step up occurs.
 
 In OpenSSL 0.9.6 and later the SSL flag SSL_AUTO_RETRY can be
-set to disable this behavior. That is when this flag is set
+set to disable this behaviour. That is when this flag is set
 an SSL BIO using a blocking transport will never request a
 retry.
 
diff --git a/doc/crypto/BIO_s_fd.pod b/doc/crypto/BIO_s_fd.pod
index e0ca2ec..4681e5e 100644
--- a/doc/crypto/BIO_s_fd.pod
+++ b/doc/crypto/BIO_s_fd.pod
@@ -40,7 +40,7 @@
 
 =head1 NOTES
 
-The behavior of BIO_read() and BIO_write() depends on the behavior of the
+The behaviour of BIO_read() and BIO_write() depends on the behavior of the
 platforms read() and write() calls on the descriptor. If the underlying 
 file descriptor is in a non blocking mode then the BIO will behave in the
 manner described in the L<BIO_read(3)|BIO_read(3)> and L<BIO_should_retry(3)|BIO_should_retry(3)>
@@ -56,7 +56,7 @@
 BIO_reset() returns zero for success and -1 if an error occurred.
 BIO_seek() and BIO_tell() return the current file position or -1
 is an error occurred. These values reflect the underlying lseek()
-behavior.
+behaviour.
 
 BIO_set_fd() always returns 1.
 
diff --git a/doc/crypto/BIO_s_file.pod b/doc/crypto/BIO_s_file.pod
index 672dc2f..10fe493 100644
--- a/doc/crypto/BIO_s_file.pod
+++ b/doc/crypto/BIO_s_file.pod
@@ -66,7 +66,7 @@
 normally be closed so the BIO_NOCLOSE flag should be set.
 
 Because the file BIO calls the underlying stdio functions any quirks
-in stdio behavior will be mirrored by the corresponding BIO.
+in stdio behaviour will be mirrored by the corresponding BIO.
 
 =head1 EXAMPLES
 
diff --git a/doc/crypto/BIO_s_mem.pod b/doc/crypto/BIO_s_mem.pod
index 3208932..19648ac 100644
--- a/doc/crypto/BIO_s_mem.pod
+++ b/doc/crypto/BIO_s_mem.pod
@@ -43,7 +43,7 @@
 
 BIO_ctrl_pending() returns the number of bytes currently stored.
 
-BIO_set_mem_eof_return() sets the behavior of memory BIO B<b> when it is
+BIO_set_mem_eof_return() sets the behaviour of memory BIO B<b> when it is
 empty. If the B<v> is zero then an empty memory BIO will return EOF (that is
 it will return zero and BIO_should_retry(b) will be false. If B<v> is non
 zero then it will return B<v> when it is empty and it will set the read retry
diff --git a/doc/crypto/BIO_should_retry.pod b/doc/crypto/BIO_should_retry.pod
index cd7adcd..539c391 100644
--- a/doc/crypto/BIO_should_retry.pod
+++ b/doc/crypto/BIO_should_retry.pod
@@ -97,7 +97,7 @@
 can occur during the initial handshake process. 
 
 It is possible for a BIO to block indefinitely if the underlying I/O
-structure cannot process or return any data. This depends on the behavior of
+structure cannot process or return any data. This depends on the behaviour of
 the platforms I/O functions. This is often not desirable: one solution
 is to use non blocking I/O and use a timeout on the select() (or
 equivalent) call.
diff --git a/doc/crypto/threads.pod b/doc/crypto/threads.pod
index bcaa94d..7fa18aa 100644
--- a/doc/crypto/threads.pod
+++ b/doc/crypto/threads.pod
@@ -106,7 +106,7 @@
 describing what should be done with the lock.  n is the number of the
 lock as returned from CRYPTO_get_new_dynlockid().  mode can be combined
 from the following values.  These values are pairwise exclusive, with
-undefined behavior if misused (for example, CRYPTO_READ and CRYPTO_WRITE
+undefined behaviour if misused (for example, CRYPTO_READ and CRYPTO_WRITE
 should not be used together):
 
 	CRYPTO_LOCK	0x01