From a678f8c15a6e6ca89e0219debf40343a70360bf4 Mon Sep 17 00:00:00 2001
From: Avinal Kumar <185067@nith.ac.in>
Date: Sat, 5 Sep 2020 10:50:06 +0530
Subject: [PATCH] minor changes

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index ffeec92..af20fc3 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ This was a nice project and taugh me many things. Given below are some miraculou
         #include <algorithm>
         inline bool isNumber(std::string str)
         {
-            return (!str.empty && std::all_of(str.begin(), str.end(), ::isdigit));
+            return (!str.empty() && std::all_of(str.begin(), str.end(), ::isdigit));
         }
     ```
 2. Trim a string of spaces, tabs, carrige return, vertical tabs, newline chars.