Update update_readme.sh

update_readme.sh

@@ -7,4 +7,4 @@ file_count=$(git ls-files '**/*.cpp' '**/*.cs' | wc -l)
 echo "Total number of .cpp and .cs files: $file_count"
 
 # Update file count after "Total Count of Solved" in README.md
-awk -v count="$file_count" '/Total Count of Solved/ { sub(/[0-9]+/, count); } 1' README.md > temp && mv temp README.md
+awk -v count="$file_count" '/Total Count of Solved : / { sub(/[0-9]+/, count); } 1' README.md > temp && mv temp README.md