Fix spelling.
diff --git a/Tools/scripts/highlight.py b/Tools/scripts/highlight.py
index 88b709f..70da649 100755
--- a/Tools/scripts/highlight.py
+++ b/Tools/scripts/highlight.py
@@ -21,7 +21,7 @@
     return ''.join(rows), end
 
 def isolate_tokens(source):
-    'Generate chunks of source and indentify chunks to be highlighted'
+    'Generate chunks of source and identify chunks to be highlighted'
     lines = source.splitlines(True)
     lines.append('')
     readline = functools.partial(next, iter(lines), '')