Value.interface: Fix typo

Just a typo fix in the description of volts enum.

Change-Id: I9601408aa020e68c9cc26276207dc3879e95edac
Signed-off-by: Roger G. Coscojuela <roger.gili-coscojuela@sipearl.com>
diff --git a/yaml/xyz/openbmc_project/Sensor/Value.interface.yaml b/yaml/xyz/openbmc_project/Sensor/Value.interface.yaml
index 323b372..a2b0a0e 100644
--- a/yaml/xyz/openbmc_project/Sensor/Value.interface.yaml
+++ b/yaml/xyz/openbmc_project/Sensor/Value.interface.yaml
@@ -95,7 +95,7 @@
                 Frequency of rotation as revolutions per minute.
           - name: Volts
             description: >
-                Electomotive force as volts.
+                Electromotive force as volts.
           - name: Watts
             description: >
                 Rate of energy transfer as Watts.