docs: fix typos in documentation (#1411)

Co-authored-by: Dan Tedesco <[email protected]>

1 files changed, 3 insertions, 3 deletions

diff --git a/docs/cli/authentication.md b/docs/cli/authentication.md
index b74e2b60..7770c3c6 100644
--- a/docs/cli/authentication.md
+++ b/docs/cli/authentication.md
@@ -52,7 +52,7 @@ The Gemini CLI requires you to authenticate with Google's AI services. On initia
           export GOOGLE_CLOUD_LOCATION="YOUR_PROJECT_LOCATION" # e.g., us-central1
           export GOOGLE_GENAI_USE_VERTEXAI=true
           ```
-        - For repeated use, you can add the environment variables to your `.env` file (located in the project directory or user home directory) or your shell's configuration file (like `~/.bashrc`, `~/.zshrc`, or `~/.profile`). For example, the following commands adds the environment variables to a `~/.bashrc` file:
+        - For repeated use, you can add the environment variables to your `.env` file (located in the project directory or user home directory) or your shell's configuration file (like `~/.bashrc`, `~/.zshrc`, or `~/.profile`). For example, the following commands add the environment variables to a `~/.bashrc` file:
           ```bash
           echo 'export GOOGLE_CLOUD_PROJECT="YOUR_PROJECT_ID"' >> ~/.bashrc
           echo 'export GOOGLE_CLOUD_LOCATION="YOUR_PROJECT_LOCATION"' >> ~/.bashrc
@@ -60,13 +60,13 @@ The Gemini CLI requires you to authenticate with Google's AI services. On initia
           source ~/.bashrc
           ```
     - If using express mode:
-      - Set the `GOOGLE_API_KEY` environment variables. In the following methods, replace `YOUR_GOOGLE_API_KEY` with your Vertex AI API key provided by express mode:
+      - Set the `GOOGLE_API_KEY` environment variable. In the following methods, replace `YOUR_GOOGLE_API_KEY` with your Vertex AI API key provided by express mode:
         - You can temporarily set these environment variables in your current shell session using the following commands:
           ```bash
           export GOOGLE_API_KEY="YOUR_GOOGLE_API_KEY"
           export GOOGLE_GENAI_USE_VERTEXAI=true
           ```
-        - For repeated use, you can add the environment variables to your `.env` file (located in the project directory or user home directory) or your shell's configuration file (like `~/.bashrc`, `~/.zshrc`, or `~/.profile`). For example, the following commands adds the environment variables to a `~/.bashrc` file:
+        - For repeated use, you can add the environment variables to your `.env` file (located in the project directory or user home directory) or your shell's configuration file (like `~/.bashrc`, `~/.zshrc`, or `~/.profile`). For example, the following commands add the environment variables to a `~/.bashrc` file:
           ```bash
           echo 'export GOOGLE_API_KEY="YOUR_GOOGLE_API_KEY"' >> ~/.bashrc
           echo 'export GOOGLE_GENAI_USE_VERTEXAI=true' >> ~/.bashrc