fix minor typos

Helped-by: NStefan Beller <sbeller@google.com>
Signed-off-by: NRené Genz <liebundartig@freenet.de>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

Documentation/git-commit.txt

@@ -95,7 +95,7 @@ OPTIONS
 
 --reset-author::
 	When used with -C/-c/--amend options, or when committing after a
-	a conflicting cherry-pick, declare that the authorship of the
+	conflicting cherry-pick, declare that the authorship of the
 	resulting commit now belongs to the committer. This also renews
 	the author timestamp.
 
@@ -112,7 +112,7 @@ OPTIONS
 	`--dry-run`.
 
 --long::
-	When doing a dry-run, give the output in a the long-format.
+	When doing a dry-run, give the output in the long-format.
 	Implies `--dry-run`.
 
 -z::

Documentation/gitremote-helpers.txt

@@ -463,7 +463,7 @@ set by Git if the remote helper has the 'option' capability.
 	GPG sign pushes.
 
 'option push-option <string>::
-	Transmit <string> as a push option. As the a push option
+	Transmit <string> as a push option. As the push option
 	must not contain LF or NUL characters, the string is not encoded.
 
 SEE ALSO

ci/run-windows-build.sh

 #!/usr/bin/env bash
 #
-# Script to trigger the a Git for Windows build and test run.
+# Script to trigger the Git for Windows build and test run.
 # Set the $GFW_CI_TOKEN as environment variable.
 # Pass the branch (only branches on https://github.com/git/git are
 # supported) and a commit hash.

diff.c

@@ -911,7 +911,7 @@ static int fn_out_diff_words_write_helper(FILE *fp,
 /*
  * '--color-words' algorithm can be described as:
  *
- *   1. collect a the minus/plus lines of a diff hunk, divided into
+ *   1. collect the minus/plus lines of a diff hunk, divided into
  *      minus-lines and plus-lines;
  *
  *   2. break both minus-lines and plus-lines into words and