diff --git a/src/interaction/prostheticConfig.tw b/src/interaction/prostheticConfig.tw
index 268627f4fec1d2d91ae5795851b5937488839cd4..457182669062dc7ad0c76f663dfd02daf44fd252 100644
--- a/src/interaction/prostheticConfig.tw
+++ b/src/interaction/prostheticConfig.tw
@@ -263,7 +263,7 @@ This room is lined with shelves and cabinets, it could be easily mistaken for a
 	<br><br>
 	These prosthetics are in storage or already equipped by $him:<br>
 	<<for _p range $activeSlave.readyProsthetics>>
-		&nbsp;&nbsp;<<= capitalizeFirstLetter(setup.prosthetics[_p.id].name)>> <br>
+		&nbsp;&nbsp;<<= capFirstChar(setup.prosthetics[_p.id].name)>> <br>
 	<</for>>
 <</if>>
 
@@ -272,7 +272,7 @@ Fit prosthetics to $him:
 <<for _p range setup.prostheticIDs>>
 	<<if _p != "erectile">> /* exclude erectile implant */
 	<<if $adjustProsthetics.findIndex(function(p) {return p.id == _p && p.slaveID == $activeSlave.ID}) != -1 || $researchLab.tasks.findIndex(function(p) {return p.type == "craftFit" && p.id == _p && p.slaveID == $activeSlave.ID}) != -1>><br>
-		//<<= capitalizeFirstLetter(addA(setup.prosthetics[_p].name))>> is already being fitted to $him.//
+		//<<= capFirstChar(addA(setup.prosthetics[_p].name))>> is already being fitted to $him.//
 	<<elseif setup.prosthetics[_p].level > $prostheticsUpgrade>><br>
 		//You need better contracts to buy <<= addA(setup.prosthetics[_p].name)>>.//
 	<<elseif $activeSlave.readyProsthetics.findIndex(function(p) {return p.id == _p}) == -1>>
diff --git a/src/interaction/prothesticLab.tw b/src/interaction/prothesticLab.tw
index 564cb33bc3a609d9622d868a0a4c95521bcf0cb4..727274503ec01b4eddfb96713d9f8f42c2401afb 100644
--- a/src/interaction/prothesticLab.tw
+++ b/src/interaction/prothesticLab.tw
@@ -10,7 +10,7 @@ Prosthetic Lab
 <<if $adjustProsthetics.length > 0>>
 	Currently adjusting these prosthetics:<br>
 	<<for _p range $adjustProsthetics>>
-		&nbsp;&nbsp;<<= capitalizeFirstLetter(setup.prosthetics[_p.id].name)>> for <<= SlaveFullName($slaves[$slaveIndices[_p.slaveID]])>><br>
+		&nbsp;&nbsp;<<= capFirstChar(setup.prosthetics[_p.id].name)>> for <<= SlaveFullName($slaves[$slaveIndices[_p.slaveID]])>><br>
 	<</for>>
 <<else>>
 	//Currently there are no prosthetics being fit to a slave.//
@@ -147,7 +147,7 @@ Prosthetic Lab
 				@@.red;Error: Unknown $$researchLab.tasks[].type: $researchLab.tasks[_i].type@@
 			<</switch>>
 			<<set _j += $researchLab.tasks[_i].workLeft>>
-			@@.yellow;<<= capitalizeFirstLetter(setup.prosthetics[$researchLab.tasks[_i].id].name)>>@@.
+			@@.yellow;<<= capFirstChar(setup.prosthetics[$researchLab.tasks[_i].id].name)>>@@.
 			<<if $researchLab.speed > 0>>
 				Finished in approximately <<= (Math.floor(_j / $researchLab.speed) + 1)>> week(s).
 			<</if>>
@@ -184,13 +184,13 @@ Prosthetic Lab
 			&nbsp;&nbsp;
 			<<if setup.prosthetics[_p].level <= $prostheticsUpgrade>>
 				<<capture _p>>
-				<<link "Reverse engineer <<= capitalizeFirstLetter(setup.prosthetics[_p].name)>>" "Prosthetic Lab">>
+				<<link "Reverse engineer <<= capFirstChar(setup.prosthetics[_p].name)>>" "Prosthetic Lab">>
 					<<set cashX(forceNeg(setup.prosthetics[_p].costs), "lab"), $prosthetics[_p].research = -1, $researchLab.tasks.push({type: "research", id: _p, workLeft: setup.prosthetics[_p].research})>>
 				<</link>>
 				<</capture>>
 					//Costs <<= cashFormat(setup.prosthetics[_p].costs)>> of initial investment.//
 			<<else>>
-				//You need better contracts to get the needed research material for researching <<= capitalizeFirstLetter(setup.prosthetics[_p].name)>>.//
+				//You need better contracts to get the needed research material for researching <<= capFirstChar(setup.prosthetics[_p].name)>>.//
 			<</if>>
 			<br>
 			<</if>>
diff --git a/src/js/utilJS.js b/src/js/utilJS.js
index b06620b5ecb8ae9e53cbef2f18073fcd31badcb1..90cc29d79687462d7f79f824725d1b6b02018bc2 100644
--- a/src/js/utilJS.js
+++ b/src/js/utilJS.js
@@ -1740,8 +1740,4 @@ window.addA = function(word) {
 		return "an " + word;
 	}
 	return "a " + word;
-}
-
-window.capitalizeFirstLetter = function(string) {
-    return string.charAt(0).toUpperCase() + string.slice(1);
-}
+};
\ No newline at end of file