Clarify prompt/completion tokens, use sentence case

Author: simonw

llm-prices.html

@@ -107,24 +107,24 @@
             <div class="calculator">
                 <h1>LLM Pricing Calculator</h1>
                 <div class="input-group">
-                    <label for="inputTokens">Number of Input Tokens:</label>
+                    <label for="inputTokens">Number of input tokens (aka prompt tokens):</label>
                     <input type="number" id="inputTokens" min="0" onkeyup="calculateCost()" onchange="calculateCost()">
                 </div>
                 <div class="input-group">
-                    <label for="outputTokens">Number of Output Tokens:</label>
+                    <label for="outputTokens">Number of output tokens (aka completion tokens):</label>
                     <input type="number" id="outputTokens" min="0" onkeyup="calculateCost()" onchange="calculateCost()">
                 </div>
                 <div class="input-group">
-                    <label for="inputCost">Cost per Million Input Tokens ($):</label>
+                    <label for="inputCost">Cost per million input tokens ($):</label>
                     <input type="number" id="inputCost" min="0" step="0.000001" onkeyup="calculateCost()" onchange="calculateCost()">
                 </div>
                 <div class="input-group">
-                    <label for="outputCost">Cost per Million Output Tokens ($):</label>
+                    <label for="outputCost">Cost per million output tokens ($):</label>
                     <input type="number" id="outputCost" min="0" step="0.000001" onkeyup="calculateCost()" onchange="calculateCost()">
                 </div>
                 <div class="result">
-                    <p>Total Cost: $<span id="costDollars">0.000000</span></p>
-                    <p>Total Cost: <span id="costCents">0</span> cents</p>
+                    <p>Total cost: $<span id="costDollars">0.000000</span></p>
+                    <p>Total cost: <span id="costCents">0</span> cents</p>
                 </div>
             </div>