gbp_retag_commit.sh: fix a typo

diff --git a/gbp_retag_commit.sh b/gbp_retag_commit.sh
index 4bffd36..c333947 100755 (executable)
--- a/gbp_retag_commit.sh
+++ b/gbp_retag_commit.sh
@@ -26,7 +26,7 @@ then
   exit 1
 fi
 
-# TODO: give a warning or an error if this is is an UNRELEASED version?
+# TODO: give a warning or an error if this is an UNRELEASED version?
 
 PACKAGE=$(echo "$CHANGELOG_HEADER" | cut -d ' ' -f 1)
 VERSION=$(echo "$CHANGELOG_HEADER" | cut -d '(' -f 2 | cut -d ')' -f 1 )