Made minor changes in README file

Signed-off-by: SurajGudaji <[email protected]>

Author: SurajGudaji

README.md

@@ -81,7 +81,7 @@ Create a virtualenv if required and install required packages using "pip install
 
 4. **aggregate.py:** The aggregate.py script gets detailed information of all the builds which have run using the provided nightly image. 
 
-    ```python3 tracker.py``` This script requires the following input
+    ```python3 aggregate.py``` This script requires the following input
 
     1. selected_ci: Jobs from where to fetch the builds.
-    2. nightly: Name of the Release image.
+    2. nightly: Name of the Release image.

requirements.txt

@@ -4,4 +4,5 @@ PyYAML==6.0.1
 requests==2.31.0
 soupsieve==2.5
 urllib3==2.0.6
-tabulate==0.9.0
+tabulate==0.9.0
+