Resolve PR feedback

pkg/cmd/gist/list/list.go

@@ -52,7 +52,7 @@ func NewCmdList(f *cmdutil.Factory, runF func(*ListOptions) error) *cobra.Comman
 			this will be slower and increase the rate limit used. Instead of printing a table,
 			code will be printed with highlights.
 
-			For supported regular expression syntax, see https://pkg.go.dev/regexp/syntax
+			For supported regular expression syntax, see <https://pkg.go.dev/regexp/syntax>
 		`, "`"),
 		Example: heredoc.Doc(`
 			# list all secret gists from your user account

pkg/cmd/search/code/code.go

@@ -188,10 +188,10 @@ func formatMatch(t string, matches []search.Match, io *iostreams.IOStreams) []st
 			continue
 		}
 		if _, ok := startIndices[i]; ok {
-			b.WriteString(cs.HighlightStart()) // black text on yellow background
+			b.WriteString(cs.HighlightStart())
 			found = true
 		} else if _, ok := endIndices[i]; ok {
-			b.WriteString(cs.Reset()) // color reset
+			b.WriteString(cs.Reset())
 		}
 		b.WriteRune(c)
 	}