Dead grave and dead acute are not actually wrong here.
diff --git a/protocols/rdp/src/rdp_keymap_de_de.c b/protocols/rdp/src/rdp_keymap_de_de.c
index ff8327e..8b2143f 100644
--- a/protocols/rdp/src/rdp_keymap_de_de.c
+++ b/protocols/rdp/src/rdp_keymap_de_de.c
@@ -343,12 +343,12 @@
         .clear_keysyms = GUAC_KEYSYMS_ALTGR,
         .set_keysyms = GUAC_KEYSYMS_SHIFT },
 
-    /* dead grave (WRONG) */
+    /* dead grave */
     { .keysym = 0xfe50, .scancode = 0x0d,
         .clear_keysyms = GUAC_KEYSYMS_ALTGR,
         .set_keysyms = GUAC_KEYSYMS_SHIFT },
 
-    /* dead acute (WRONG) */
+    /* dead acute */
     { .keysym = 0xfe51, .scancode = 0x0d,
         .clear_keysyms = GUAC_KEYSYMS_ALL_SHIFT_ALTGR },