chore: Smol grammar fixes for CRIT mod (#5883)

* Update crt_gunmods.json

Fixed a description

* Update crt_gunmods.json 2

data/mods/CRT_EXPANSION/items/crt_gunmods.json

@@ -38,7 +38,7 @@
     "id": "bthk_stock",
     "type": "GUNMOD",
     "name": "butt hook stock",
-    "description": ", A military-grade stock which folds reducing the guns volume.  The weight and the pivoting hook which latches onto your forearm allows for greater stability.  ",
+    "description": "A military-grade stock which folds reducing the guns volume.  The weight and the pivoting hook which latches onto your forearm allows for greater stability.",
     "weight": "500 g",
     "volume": "125 ml",
     "integral_volume": "0 ml",
@@ -66,7 +66,7 @@
     "copy-from": "beam_scatterer",
     "type": "GUNMOD",
     "name": { "str": "diffracting lens", "str_pl": "diffracting lenses" },
-    "description": "A set of optics made to fit on laser weapons, which will diffract the laser beam into several lower powered beams.  This slightly increases point-blank damage and makes it difficult to not hit, but reduces range",
+    "description": "A set of optics made to fit on laser weapons, which will diffract the laser beam into several lower powered beams.  This slightly increases point-blank damage and makes it difficult to not hit, but reduces range.",
     "range_modifier": -7,
     "damage_modifier": { "damage_type": "stab", "amount": 2 },
     "ammo_effects": [ "SHOT" ],