Update 'README-TriangleUtilities.md'

README-TriangleUtilities.md

@@ -83,7 +83,7 @@
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 ## `String getLargeTriangle()`
 * **Description**
-    * Write a method that returns a `String` representation of a large triangle, whose base height and base width is 10 asterisks.
+    * Write a method that returns a `String` representation of a large triangle, whose base height and base width is 9 asterisks.
     
 ### Example
 * Sample Script