typo: Double word "we"

Author: nschonni

web-animations-2/Overview.bs

@@ -1691,7 +1691,7 @@ after the step to apply the keyframe effect composite mode.
               returned. When performing iteration composition on propreties
               that do not support accumulation, the result should be the
               initial property value of <var>target property</var> on
-              <var>keyframe</var>, hence we we make this
+              <var>keyframe</var>, hence we make this
               <var>V</var><sub>b</sub> in the above step.
 
 <h3 id="combining-effects">Combining effects</h3>