diff --git a/DEVEL b/DEVEL
index 13736285..1adbcc16 100644
--- a/DEVEL
+++ b/DEVEL
@@ -1,4 +1,4 @@
-Waf 1.8 is on https://github.com/waf-project/waf
+Waf 1.9 is on https://github.com/waf-project/waf
 ------------------------------------------------
 
 waflib            the core library
@@ -22,7 +22,7 @@ Coding guidelines
 -----------------
 
 * We use tabs, no spaces
-* Do not use x.split("\n") but x.splitlines()
-* Do not catch all exceptions unless you have a good reason to do so (no "except:")
+* Use x.splitlines() instead of x.split('\n')
+* No "except:" and and no "except Exception:" unless there is a very good reason
 * File handles are too easy to get wrong, use Node.readf/Node.writef/Utils.readf/Utils.writef
 
diff --git a/docs/book/tasks.txt b/docs/book/tasks.txt
index c4ddd6dd..c604d785 100644
--- a/docs/book/tasks.txt
+++ b/docs/book/tasks.txt
@@ -170,10 +170,10 @@ The attributes _before_ and _after_ are used to declare ordering constraints bet
 
 [source,python]
 ---------------
-from waflib.Task import TaskBase
-class task_test_a(TaskBase):
+from waflib.Task import Task
+class task_test_a(Task):
     before = ['task_test_b']
-class task_test_b(TaskBase):
+class task_test_b(Task):
     after  = ['task_test_a']
 ---------------
 
@@ -183,10 +183,10 @@ Another way to force the order is by declaring lists of abstract symbols on the
 
 [source,python]
 ---------------
-from waflib.Task import TaskBase
-class task_test_a(TaskBase):
+from waflib.Task import Task
+class task_test_a(Task):
     ext_in  = ['.h']
-class task_test_b(TaskBase):
+class task_test_b(Task):
     ext_out = ['.h']
 ---------------