Chore: Typo fixed- (#27020)

docs/api/en/extras/core/Curve.html

@@ -77,7 +77,7 @@
 
 		<h3>[method:undefined updateArcLengths]()</h3>
 		<p>
-			Update the cumlative segment distance cache. The method must be called
+			Update the cumulative segment distance cache. The method must be called
 			every time curve parameters are changed. If an updated curve is part of a
 			composed curve like [page:CurvePath], [page:.updateArcLengths]() must be
 			called on the composed curve, too.

docs/api/en/lights/Light.html

@@ -40,7 +40,7 @@
 		<h3>[property:Float intensity]</h3>
 		<p>
 			The light's intensity, or strength.<br />
-			Tthe units of intensity depend on the type of light.<br />
+			The units of intensity depend on the type of light.<br />
 			Default - `1.0`.
 		</p>
 

docs/api/en/loaders/managers/LoadingManager.html

@@ -87,7 +87,7 @@
 
 		<p>
 			[example:webgl_loader_obj WebGL / loader / obj]<br />
-			[example:webgl_postprocessing_outline WebGL / postprocesing / outline]
+			[example:webgl_postprocessing_outline WebGL / postprocessing / outline]
 		</p>
 
 		<h2>Constructor</h2>