diff --git a/pigpio.c b/pigpio.c
index bc2e646..a4391a7 100644
--- a/pigpio.c
+++ b/pigpio.c
@@ -25,7 +25,7 @@ OTHER DEALINGS IN THE SOFTWARE.
 For more information, please refer to <http://unlicense.org/>
 */
 
-/* pigpio version 63 */
+/* pigpio version 64 */
 
 /* include ------------------------------------------------------- */
 
diff --git a/pigpio.h b/pigpio.h
index 4df7695..24fc8c4 100644
--- a/pigpio.h
+++ b/pigpio.h
@@ -31,7 +31,7 @@ For more information, please refer to <http://unlicense.org/>
 #include <stdint.h>
 #include <pthread.h>
 
-#define PIGPIO_VERSION 63
+#define PIGPIO_VERSION 64
 
 /*TEXT
 
diff --git a/pigpio.py b/pigpio.py
index 3ee6349..df01c0d 100644
--- a/pigpio.py
+++ b/pigpio.py
@@ -299,7 +299,7 @@ import threading
 import os
 import atexit
 
-VERSION = "1.37"
+VERSION = "1.38"
 
 exceptions = True
 
@@ -1054,7 +1054,7 @@ class _callback_thread(threading.Thread):
       self.callbacks = []
       self.events = []
       self.sl.s = socket.create_connection((host, port), None)
-      self.lastLevel = _u2i(_pigpio_command(self.sl,  _PI_CMD_BR1, 0, 0))
+      self.lastLevel = _pigpio_command(self.sl,  _PI_CMD_BR1, 0, 0)
       self.handle = _u2i(_pigpio_command(self.sl, _PI_CMD_NOIB, 0, 0))
       self.go = True
       self.start()
@@ -4468,8 +4468,9 @@ class pi():
       file_name:= the file to open.
       file_mode:= the file open mode.
 
-      Returns a handle (>=0) if OK, otherwise PI_NO_HANDLE, PI_NO_FILE_ACCESS,
-      PI_BAD_FILE_MODE, PI_FILE_OPEN_FAILED, or PI_FILE_IS_A_DIR.
+      Returns a handle (>=0) if OK, otherwise PI_NO_HANDLE,
+      PI_NO_FILE_ACCESS, PI_BAD_FILE_MODE,
+      PI_FILE_OPEN_FAILED, or PI_FILE_IS_A_DIR.
 
       ...
       h = pi.file_open("/home/pi/shared/dir_3/file.txt",
@@ -4482,9 +4483,9 @@ class pi():
 
       File
 
-      A file may only be opened if permission is granted by an entry in
-      /opt/pigpio/access.  This is intended to allow remote access to files
-      in a more or less controlled manner.
+      A file may only be opened if permission is granted by an entry
+      in /opt/pigpio/access.  This is intended to allow remote access
+      to files in a more or less controlled manner.
 
       Each entry in /opt/pigpio/access takes the form of a file path
       which may contain wildcards followed by a single letter permission.
diff --git a/pigs.1 b/pigs.1
index ff7b855..535497b 100644
--- a/pigs.1
+++ b/pigs.1
@@ -1629,7 +1629,7 @@ The GPIO must be one of the following.
 5   clock 1  All models but A and B (reserved for system use)
 6   clock 2  All models but A and B
 20  clock 0  All models but A and B
-21  clock 1  All models but A and B (Rev. 2) (reserved for system use)
+21  clock 1  All models but A and B Rev.2 (reserved for system use)
 
 .EE
 
diff --git a/setup.py b/setup.py
index 226543d..add9046 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 from distutils.core import setup
 
 setup(name='pigpio',
-      version='1.37',
+      version='1.38',
       author='joan',
       author_email='joan@abyz.co.uk',
       maintainer='joan',