Index: wp-admin/includes/class-wp-comments-list-table.php
===================================================================
--- wp-admin/includes/class-wp-comments-list-table.php	(revision 19222)
+++ wp-admin/includes/class-wp-comments-list-table.php	(working copy)
@@ -411,11 +411,10 @@
 				$actions['trash'] = "<a href='$trash_url' class='delete:the-comment-list:comment-$comment->comment_ID::trash=1 delete vim-d vim-destructive' title='" . esc_attr__( 'Move this comment to the trash' ) . "'>" . _x( 'Trash', 'verb' ) . '</a>';
 			}
 
-			if ( 'trash' != $the_comment_status ) {
+			if ( 'spam' != $the_comment_status && 'trash' != $the_comment_status ) {
 				$actions['edit'] = "<a href='comment.php?action=editcomment&amp;c={$comment->comment_ID}' title='" . esc_attr__( 'Edit comment' ) . "'>". __( 'Edit' ) . '</a>';
 				$actions['quickedit'] = '<a onclick="commentReply.open( \''.$comment->comment_ID.'\',\''.$post->ID.'\',\'edit\' );return false;" class="vim-q" title="'.esc_attr__( 'Quick Edit' ).'" href="#">' . __( 'Quick&nbsp;Edit' ) . '</a>';
-				if ( 'spam' != $the_comment_status )
-					$actions['reply'] = '<a onclick="commentReply.open( \''.$comment->comment_ID.'\',\''.$post->ID.'\' );return false;" class="vim-r" title="'.esc_attr__( 'Reply to this comment' ).'" href="#">' . __( 'Reply' ) . '</a>';
+				$actions['reply'] = '<a onclick="commentReply.open( \''.$comment->comment_ID.'\',\''.$post->ID.'\' );return false;" class="vim-r" title="'.esc_attr__( 'Reply to this comment' ).'" href="#">' . __( 'Reply' ) . '</a>';
 			}
 
 			$actions = apply_filters( 'comment_row_actions', array_filter( $actions ), $comment );
Index: wp-admin/comment.php
===================================================================
--- wp-admin/comment.php	(revision 19222)
+++ wp-admin/comment.php	(working copy)
@@ -69,6 +69,9 @@
 	if ( 'trash' == $comment->comment_approved )
 		comment_footer_die( __('This comment is in the Trash. Please move it out of the Trash if you want to edit it.') );
 
+	if ( 'spam' == $comment->comment_approved )
+		comment_footer_die( __('This comment is marked as Spam. Please mark it as Not Spam if you want to edit it.') );
+
 	$comment = get_comment_to_edit( $comment_id );
 
 	include('./edit-form-comment.php');