Update prompt.go

Co-authored-by: Ammar Bandukwala <[email protected]>

prompt.go

@@ -86,7 +86,7 @@ func findGitRoot(dir string) (string, error) {
 
 const userConfigDir = ".aicommit"
 const styleGuideFilename = "COMMITS.md"
-const styleGuideDefault = `
+const defaultUserStyleGuide = `
 1. Limit the subject line to 50 characters.
 2. Use the imperative mood in the subject line.
 3. Capitalize the subject line such as "Fix Issue 886" and don't end it with a period.
@@ -261,7 +261,7 @@ func BuildPrompt(
 			return nil, fmt.Errorf("find user style guide: %w", err)
 		}
 		if userStyleGuide == "" {
-			userStyleGuide = styleGuideDefault
+			userStyleGuide = defaultUserStyleGuide
 		}
 		resp = append(resp, openai.ChatCompletionMessage{
 			Role:    openai.ChatMessageRoleSystem,