diff --git a/developers/ocean-cli/install.md b/developers/ocean-cli/install.md
index 62d824d7..d1a81c4f 100644
--- a/developers/ocean-cli/install.md
+++ b/developers/ocean-cli/install.md
@@ -37,7 +37,13 @@ To successfully configure the CLI tool, two essential steps must be undertaken:
 
 ### Private Key Configuration
 
-The CLI tool requires the configuration of the account's private key. This private key serves as the means by which the CLI tool establishes a connection to the associated wallet. It plays a crucial role in authenticating and authorizing operations performed by the tool.
+The CLI tool requires the configuration of the account's 'private key'(by exporting env "PRIVATE_KEY") or a 'mnemonic'(by exporting env "MNEMONIC").
+Both serve as the means by which the CLI tool establishes a connection to the associated wallet. It plays a crucial role in authenticating and authorizing operations performed by the tool. You must choose either one option or the other. The tool will not utilize both simultaneously.
+
+```bash
+export PRIVATE_KEY="XXXX"
+```
+or 
 
 ```bash
 export MNEMONIC="XXXX"