Minor typo fix

theano/sandbox/cuda/type.py

@@ -352,8 +352,8 @@ class CudaNdarrayType(Type):
         return ret
 
 
-# Register CudaNdarrayType to the OutputGuard list of know type
-# to have OutputGuard generate c code for this type
+# Register CudaNdarrayType to the OutputGuard list of known types
+# to have OutputGuard generate C code for this type.
 theano.compile.mode.register_OutputGuard_c_code(CudaNdarrayType)
 
 

theano/sparse/basic.py

@@ -326,8 +326,8 @@ class SparseType(gof.Type):
     def is_valid_value(self, a):
         return scipy.sparse.issparse(a) and (a.format == self.format)
 
-# Register CudaNdarrayType to the OutputGuard list of know type
-# to have OutputGuard generate c code for this type
+# Register CudaNdarrayType to the OutputGuard list of known types
+# to have OutputGuard generate C code for this type.
 theano.compile.mode.register_OutputGuard_c_code(SparseType)
 
 

theano/tensor/basic.py

@@ -910,8 +910,8 @@ class TensorType(Type):
         else:
             return ()
 
-# Register CudaNdarrayType to the OutputGuard list of know type
-# to have OutputGuard generate c code for this type
+# Register CudaNdarrayType to the OutputGuard list of known types
+# to have OutputGuard generate C code for this type.
 theano.compile.mode.register_OutputGuard_c_code(TensorType)
 
 # Easy constructors

theano/tensor/raw_random.py

@@ -53,8 +53,8 @@ class RandomStateType(gof.Type):
                 return False
         return True
 
-# Register CudaNdarrayType to the OutputGuard list of know type
-# to have OutputGuard generate c code for this type
+# Register CudaNdarrayType to the OutputGuard list of known types
+# to have OutputGuard generate C code for this type.
 theano.compile.mode.register_OutputGuard_c_code(RandomStateType)
 
 random_state_type = RandomStateType()