maint: fix typos in comment: s/to to/to/

* deflate.c: Remove doubled 'to's.

1 files changed, 2 insertions, 2 deletions

diff --git a/deflate.c b/deflate.c
index 61cbee3..423b288 100644
--- a/deflate.c
+++ b/deflate.c
@@ -268,7 +268,7 @@ local  void check_match OF((IPos start, IPos match, int length));
 
 /* ===========================================================================
  * Update a hash value with the given input byte
- * IN  assertion: all calls to to UPDATE_HASH are made with consecutive
+ * IN  assertion: all calls to UPDATE_HASH are made with consecutive
  *    input characters, so that a running hash key can be computed from the
  *    previous key instead of complete recalculation each time.
  */
@@ -278,7 +278,7 @@ local  void check_match OF((IPos start, IPos match, int length));
  * Insert string s in the dictionary and set match_head to the previous head
  * of the hash chain (the most recent string with same hash key). Return
  * the previous length of the hash chain.
- * IN  assertion: all calls to to INSERT_STRING are made with consecutive
+ * IN  assertion: all calls to INSERT_STRING are made with consecutive
  *    input characters and the first MIN_MATCH bytes of s are valid
  *    (except for the last MIN_MATCH-1 bytes of the input file).
  */