minor doc update

diff --git a/teeu b/teeu
index 87ba60bbac9e8e57b63d9e9920215fa3fb28ca33..074dc4dd18c9ab2a30e3a173f71bbc110979658c 100755 (executable)
--- a/teeu
+++ b/teeu
@@ -5,7 +5,7 @@
 appendu() {
     local help="Usage: appendu [-h|--help] FILE
 
-Tee unique. Append each stdin line if it does not exist in the file
+Tee unique. Append each stdin line if it does not exist in the file.
 
   [-h|--help]  display this message"