Update README.md

SoftStoneDevelop · web-flow · commit 42ccfc0811df · 2023-07-16T12:54:36.000+03:00
diff --git a/README.md b/README.md
@@ -11,7 +11,7 @@
 
 </h3>
 
-The version of StringBuilder built on an array of strings string[]: uses less memory.
+Collect the resulting string without allocating memory.
 
 ## Benchmark:
 
