typo fix for doc/protocol.txt
submitted by KentarouTakeda on github.
@@ -699,7 +699,7 @@ integers separated by a colon (treat this as a floating point number).
| slab_reassign_running | bool | If a slab page is being moved |
| slabs_moved | 64u | Total slab pages moved |
| crawler_reclaimed | 64u | Total items freed by LRU Crawler |
-| crawler_items-checked | 64u | Total items examined by LRU Crawler |
+| crawler_items_checked | 64u | Total items examined by LRU Crawler |
| lrutail_reflocked | 64u | Times LRU tail was found with active ref. |
| | | Items can be evicted to avoid OOM errors. |
| moves_to_cold | 64u | Items moved from HOT/WARM to COLD LRU's |
