diff --git a/docs/install_guides/installing-model-dev-tools.md b/docs/install_guides/installing-model-dev-tools.md
index c13ba7bdbf9..1525f37fc3a 100644
--- a/docs/install_guides/installing-model-dev-tools.md
+++ b/docs/install_guides/installing-model-dev-tools.md
@@ -105,7 +105,7 @@ pip install openvino-dev[extras]
 ```
 
 where the `extras` parameter specifies the source deep learning framework for the input model
-and has the following values:  `caffe`, `kaldi`, `mxnet`, `onnx`, `pytorch`, `tensorflow`, `tensorflow2`. 
+and is one or more of the following values separated with "," :  `caffe`, `kaldi`, `mxnet`, `onnx`, `pytorch`, `tensorflow`, `tensorflow2`. 
 
 For example, to install and configure dependencies required for working with TensorFlow 2.x and ONNX models, use the following command:
 
diff --git a/docs/install_guides/pypi-openvino-dev.md b/docs/install_guides/pypi-openvino-dev.md
index 3f86273a34f..5106d031583 100644
--- a/docs/install_guides/pypi-openvino-dev.md
+++ b/docs/install_guides/pypi-openvino-dev.md
@@ -75,7 +75,7 @@ Use the following command:
 ```sh
 pip install openvino-dev[extras]
 ```
- where `extras` is the source deep learning framework for the input model and has the following values: 
+ where `extras` is the source deep learning framework for the input model and is one or more of the following values separated with "," : 
 
 | Extras Value                    | DL Framework                                                                     |
 | :-------------------------------| :------------------------------------------------------------------------------- |