diff --git a/.DS_Store b/.DS_Store
index 202195e..0d6c775 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/mr/.DS_Store b/mr/.DS_Store
index 0f95520..5117ba3 100644
Binary files a/mr/.DS_Store and b/mr/.DS_Store differ
diff --git a/mr/python/mapper.py b/mr/python/mapper.py
index 8668ac8..bd5948e 100644
--- a/mr/python/mapper.py
+++ b/mr/python/mapper.py
@@ -7,7 +7,7 @@ for line in sys.stdin:
     # remove leading and trailing whitespace
     line = line.strip()
     # split the line into words
-    words = re.findall(r'\b\w+\b', line)  # using regex to find words
+    words = re.findall(r'\b[\w\s]+\b', line)  # using regex to find words
     # increase counters
     for word in words:
         # apply regex to remove non-alphanumeric characters and convert to lowercase