diff --git a/doc/model/dpa2.md b/doc/model/dpa2.md
index a4f1e8ad04..a0ca5adb74 100644
--- a/doc/model/dpa2.md
+++ b/doc/model/dpa2.md
@@ -22,7 +22,7 @@ otherwise the communication between GPU cards falls back to the slower CPU imple
 
 DPA-2 supports both the [standard data format](../data/system.md) and the [mixed type data format](../data/system.md#mixed-type).
 
-## Tyoe embedding
+## Type embedding
 
 Type embedding is within this descriptor with the {ref}`tebd_dim <model[standard]/descriptor[dpa2]/tebd_dim>` argument.
 
diff --git a/doc/model/train-hybrid.md b/doc/model/train-hybrid.md
index 3c9fff557e..d565af5c9a 100644
--- a/doc/model/train-hybrid.md
+++ b/doc/model/train-hybrid.md
@@ -49,7 +49,7 @@ A complete training input script of this example can be found in the directory
 $deepmd_source_dir/examples/water/hybrid/input.json
 ```
 
-## Tyoe embedding
+## Type embedding
 
 Type embedding is different between the TensorFlow backend and other backends.
 In the TensorFlow backend, all descriptors share the same descriptor that defined in the model level.
diff --git a/doc/model/train-se-a-mask.md b/doc/model/train-se-a-mask.md
index a26ca8e46e..ff1ee76c12 100644
--- a/doc/model/train-se-a-mask.md
+++ b/doc/model/train-se-a-mask.md
@@ -85,7 +85,7 @@ And the `loss` section in the training input script should be set as follows.
   }
 ```
 
-## Tyoe embedding
+## Type embedding
 
 Same as [`se_e2_a`](./train-se-e2-a.md).
 
diff --git a/doc/model/train-se-e3-tebd.md b/doc/model/train-se-e3-tebd.md
index 9f9bb70161..3e0b6f9c5a 100644
--- a/doc/model/train-se-e3-tebd.md
+++ b/doc/model/train-se-e3-tebd.md
@@ -77,7 +77,7 @@ The training input script is very similar to that of [`se_e2_a`](train-se-e2-a.m
 
 The type of the descriptor is set by the key {ref}`type <model[standard]/descriptor/type>`.
 
-## Tyoe embedding
+## Type embedding
 
 Type embedding is within this descriptor with the {ref}`tebd_dim <model[standard]/descriptor[se_e3_tebd]/tebd_dim>` argument.
 
diff --git a/doc/model/train-se-e3.md b/doc/model/train-se-e3.md
index 380973e5d9..4e7f4fa53a 100644
--- a/doc/model/train-se-e3.md
+++ b/doc/model/train-se-e3.md
@@ -65,7 +65,7 @@ The training input script is very similar to that of [`se_e2_a`](train-se-e2-a.m
 
 The type of the descriptor is set by the key {ref}`type <model[standard]/descriptor/type>`.
 
-## Tyoe embedding
+## Type embedding
 
 Use [`se_e3_tebd`](./train-se-e3-tebd.md) for type embedding support.