diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index 770fb01b2a..ef4e9d102d 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -1,6 +1,3 @@
-
-
-
 if(NOT DEFINED SPHINX_THEME)
     set(SPHINX_THEME default)
 endif()
@@ -45,5 +42,5 @@ sphinx_add_target(paddle_docs
                   ${SPHINX_HTML_DIR})
 
 add_dependencies(paddle_docs 
-  gen_proto_py)
-  #paddle_doxygen_docs)
+  gen_proto_py
+  paddle_doxygen_docs)
diff --git a/python/paddle/trainer_config_helpers/layers.py b/python/paddle/trainer_config_helpers/layers.py
index f3f7c83f1d..cd00ffefc7 100644
--- a/python/paddle/trainer_config_helpers/layers.py
+++ b/python/paddle/trainer_config_helpers/layers.py
@@ -824,8 +824,6 @@ def lstmemory(input, name=None, reverse=False, act=None,
 
     .. _Link: http://arxiv.org/abs/1308.0850
 
-    TODO(yuyang18): Check lstm can take multiple input values or not?
-
     :param name: The lstmemory layer name.
     :type name: basestring
     :param input: input layer name.