Update app.py

app.py

@@ -126,7 +126,7 @@ def summarize_with_gemini(repo_name, owner, commit_lines, start_date, end_date,
 
 Write the report in the following format EXACTLY:
 
-1. Begin with: "Here’s a comprehensive analysis of the Git commit history for the {owner}/{repo_name} repository on {date}:"
+1. Begin with: "Here’s a comprehensive analysis of the Git commit history for the {owner}/{repo_name} repository on {start_date} to {end_date}:"
 
 2. Use numbered section headers WITHOUT colons, each on its own line, with a blank line after each header.
    Example:
@@ -175,7 +175,7 @@ Write the report in the following format EXACTLY:
 Use the following data to generate the report:
 
 Repository: {owner}/{repo_name}
-Date: {date}
+Date: {start_date} to {end_date}
 Total Commits: {len(commit_lines.split(chr(10)))}
 Commit History:
 {commit_lines}