modify something unimportant when I read source code (#45273)

* Update scope.h

* typo

* Update dense_tensor.inl

paddle/fluid/framework/scope.h

@@ -118,10 +118,10 @@ class Scope : public ScopeBase {
 
   const std::list<Scope*>& kids() const { return kids_; }
 
-  // enumerate all the variable names current contains.
+  // enumerate all the variable names which current scope contains.
   std::vector<std::string> LocalVarNames() const;
 
-  // enumerate all the variables current contains.
+  // enumerate all the variables which current scope contains.
   std::vector<Variable*> LocalVars();
 
   // Rename variable to a new name

paddle/fluid/framework/var_desc.cc

@@ -221,11 +221,11 @@ const proto::VarType::TensorDesc &VarDesc::tensor_desc() const {
   PADDLE_ENFORCE_EQ(
       desc_.has_type(),
       true,
-      platform::errors::NotFound("The variable's type was not be set."));
+      platform::errors::NotFound("The variable's type was not set."));
   PADDLE_ENFORCE_EQ(
       desc_.type().has_type(),
       true,
-      platform::errors::NotFound("The variable's type was not be set."));
+      platform::errors::NotFound("The variable's type was not set."));
   switch (desc_.type().type()) {
     case proto::VarType::SELECTED_ROWS:
       return desc_.type().selected_rows();