diff --git a/docs/ops/shape/Unsqueeze_1.md b/docs/ops/shape/Unsqueeze_1.md
index 75186053131..8d42e9e7bd4 100644
--- a/docs/ops/shape/Unsqueeze_1.md
+++ b/docs/ops/shape/Unsqueeze_1.md
@@ -10,9 +10,9 @@
 
 **Inputs**:
 
-*   **1**: Multidimensional input tensor of type *T*. *Required*.
+*   **1**: Tensor of type *T* and arbitrary shape. **Required**.
 
-*   **2**: OD or 1D tensor of type *T_SHAPE* with dimensions indices to be set to 1. Values could be negative. *Required*.
+*   **2**: Scalar or 1D tensor of type *T_INT* with indices of dimensions to unsqueeze. Values could be negative (have to be from range `[-R, R-1]`, where `R` is the rank of the output). **Required**.
 
 **Outputs**:
 
@@ -20,13 +20,13 @@
 
 **Types**
 
-* *T*: supported type.
+* *T*: any numeric type.
 
-* *T_SHAPE*: supported integer type.
+* *T_INT*: any supported integer type.
 
 **Example**
 
-*Example 1:*
+*Example 1: unsqueeze 2D tensor to a 4D tensor*
 ```xml
 <layer ... type="Unsqueeze">
     <input>
@@ -51,7 +51,7 @@
 </layer>
 ```
 
-*Example 2: (unsqueeze 0D tensor (constant) to 1D tensor)*
+*Example 2: unsqueeze 0D tensor (constant) to 1D tensor*
 ```xml
 <layer ... type="Unsqueeze">
     <input>