A.T. Robertson Commentary Luke 24:34

"saying, The Lord is risen indeed, and hath appeared to Simon." — Luke 24:34 (ASV)

Saying (λεγοντας). Accusative present active participle agreeing with "the eleven and those with them" in verse 33.

Indeed (οντως). Really, because "he has appeared to Simon" (ωπθη Σιμων). First aorist passive indicative of οραω. This is the crucial evidence that turned the scales with the disciples and explains "indeed." Paul also mentions it (1 Corinthians 15:5).