UNROLL_LOOP_INDEX -> UNROLLED_LOOP_INDEX

docs/api/en/materials/ShaderMaterial.html

@@ -58,7 +58,7 @@
 						Array accesses within the loop must include spaces around the index: <b>array[ i ]</b>.
 					</li>
 					<li>
-						The value *UNROLL_LOOP_INDEX* will be replaced with the explicity value of *i* for the given iteration and can be used in preprocessor statements.
+						The value *UNROLLED_LOOP_INDEX* will be replaced with the explicity value of *i* for the given iteration and can be used in preprocessor statements.
 					</li>
 				</ul>
 				<code>

docs/api/zh/materials/ShaderMaterial.html

@@ -47,7 +47,7 @@
 						Array accesses within the loop must include spaces around the index: <b>array[ i ]</b>.
 					</li>
 					<li>
-						The value *UNROLL_LOOP_INDEX* will be replaced with the explicity value of *i* for the given iteration and can be used in preprocessor statements.
+						The value *UNROLLED_LOOP_INDEX* will be replaced with the explicity value of *i* for the given iteration and can be used in preprocessor statements.
 					</li>
 				</ul>
 				<code>