diff --git a/paddle/fluid/framework/op_proto_maker.h b/paddle/fluid/framework/op_proto_maker.h
index 0a0f8f4655bc34cdb25205ff6eaec9f96c801ebd..5f3ce60e1d94ea4078cf0b709df362bad317f621 100644
--- a/paddle/fluid/framework/op_proto_maker.h
+++ b/paddle/fluid/framework/op_proto_maker.h
@@ -27,7 +27,7 @@ enum class OpRole {
   kForward = 0x0000,
   kBackward = 0x0001,
   kOptimize = 0x0002,
-  // RPC role is for send/recv releated op
+  // RPC role is for send/recv related op
   kRPC = 0x0004,
   // Dist role is for split_byref/split_selected_rows/concat
   // used for distributed training.
diff --git a/paddle/fluid/inference/api/analysis_config.cc b/paddle/fluid/inference/api/analysis_config.cc
index e92273b4dd94f11e0e90c91fd82dafe42bf158f3..522ab495227e9b8c52b8d38db696fa9b785ba642 100644
--- a/paddle/fluid/inference/api/analysis_config.cc
+++ b/paddle/fluid/inference/api/analysis_config.cc
@@ -89,7 +89,7 @@ AnalysisConfig::AnalysisConfig(const AnalysisConfig &other) {
   CP_MEMBER(params_file_);
   CP_MEMBER(model_from_memory_);  // the memory model reuses prog_file_ and
                                   // params_file_ fields.
-  // Gpu releated.
+  // Gpu related.
   CP_MEMBER(use_gpu_);
   CP_MEMBER(device_id_);
   CP_MEMBER(memory_pool_init_size_mb_);
@@ -97,13 +97,13 @@ AnalysisConfig::AnalysisConfig(const AnalysisConfig &other) {
   CP_MEMBER(enable_memory_optim_);
   CP_MEMBER(static_memory_optim_);
   CP_MEMBER(static_memory_optim_force_update_);
-  // TensorRT releated.
+  // TensorRT related.
   CP_MEMBER(use_tensorrt_);
   CP_MEMBER(tensorrt_workspace_size_);
   CP_MEMBER(tensorrt_max_batchsize_);
   CP_MEMBER(tensorrt_min_subgraph_size_);
   CP_MEMBER(tensorrt_precision_mode_);
-  // MKLDNN releated.
+  // MKLDNN related.
   CP_MEMBER(use_mkldnn_);
   CP_MEMBER(mkldnn_enabled_op_types_);
 
diff --git a/paddle/fluid/inference/api/paddle_analysis_config.h b/paddle/fluid/inference/api/paddle_analysis_config.h
index 47361b3279e14dd65a0e6e7f864e508ef1183045..c1c6227cdd8b2042f6765c7932327ecae246c260 100644
--- a/paddle/fluid/inference/api/paddle_analysis_config.h
+++ b/paddle/fluid/inference/api/paddle_analysis_config.h
@@ -212,12 +212,12 @@ struct AnalysisConfig {
   std::string prog_file_;
   std::string params_file_;
 
-  // GPU releated.
+  // GPU related.
   bool use_gpu_{false};
   int device_id_{0};
   uint64_t memory_pool_init_size_mb_{100};  // initial size is 100MB.
 
-  // TensorRT releated.
+  // TensorRT related.
   bool use_tensorrt_{false};
   // For workspace_size, refer it from here:
   // https://docs.nvidia.com/deeplearning/sdk/tensorrt-developer-guide/index.html#troubleshooting