Datasheet minor update

Author: TaddyHC

content/hardware/07.opta/opta-family/opta/datasheet/datasheet.md

@@ -328,7 +328,7 @@ Arduino Opta® is designed for industrial standard machinery control as a PLC wi
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             <td style="vertical-align: top;">Digital Input voltage logic level</td>
-            <td> Voltage Input Low (VIL) Maximum: 4.46 VDC. Voltage Input High (VIH) Minimum: 6.6 VDC</td>
+            <td>Voltage Input Low (VIL) Maximum: 4.46 VDC. Voltage Input High (VIH) Minimum: 6.6 VDC</td>
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             <td style="vertical-align: top;">Digital Input current</td>