diff --git a/waflib/ConfigSet.py b/waflib/ConfigSet.py
index 2fac2166..a11920e1 100644
--- a/waflib/ConfigSet.py
+++ b/waflib/ConfigSet.py
@@ -15,7 +15,7 @@ re_imp = re.compile('^(#)*?([^#=]*?)\ =\ (.*?)$', re.M)
 
 class ConfigSet(object):
 	"""
-	A dict that honor serialization and parent relationships. The serialization format
+	A copy-on-write dict with human-readable serialized format. The serialization format
 	is human-readable (python-like) and performed by using eval() and repr().
 	For high performance prefer pickle. Do not store functions as they are not serializable.
 
diff --git a/waflib/Tools/fc_config.py b/waflib/Tools/fc_config.py
index 7ae37759..bb8e96d9 100644
--- a/waflib/Tools/fc_config.py
+++ b/waflib/Tools/fc_config.py
@@ -139,14 +139,7 @@ def check_fortran_dummy_main(self, *k, **kw):
 	"""
 	Guess if a main function is needed by compiling a code snippet with
 	the C compiler and link with the Fortran compiler
-
-	TODO: (DC)
-	- handling dialects (F77, F90, etc... -> needs core support first)
-	- fix dummy main check (AC_FC_DUMMY_MAIN vs AC_FC_MAIN)
-
-	TODO: what does the above mean? (ita)
 	"""
-
 	if not self.env.CC:
 		self.fatal('A c compiler is required for check_fortran_dummy_main')