typos in comments

src/tag.c

@@ -358,7 +358,7 @@ int git_tag_create_frombuffer(git_oid *oid, git_repository *repo, const char *bu
 	git_odb_object_free(target_obj);
 
 	/** Ensure the tag name doesn't conflict with an already existing
-	 *	reference unless overwriting has explictly been requested **/
+	 *	reference unless overwriting has explicitly been requested **/
 	if (error == 0 && !allow_ref_overwrite) {
 		giterr_set(GITERR_TAG, "Tag already exists");
 		return GIT_EEXISTS;

tests/index/racy.c

@@ -79,7 +79,7 @@ void test_index_racy__write_index_just_after_file(void)
 
 	cl_git_mkfile(path.ptr, "B");
 	/*
-	 * Pretend this index' modification happend a second after the
+	 * Pretend this index' modification happened a second after the
 	 * file update, and rewrite the file in that same second.
 	 */
 	times[0].tv_sec = index->stamp.mtime.tv_sec + 2;

tests/submodule/lookup.c

@@ -357,7 +357,7 @@ void test_submodule_lookup__renamed(void)
 		cl_git_pass(git_index_add_bypath(idx, ".gitmodules"));
 	}
 
-	/* Change the worktree info in the the submodule's config */
+	/* Change the worktree info in the submodule's config */
 	{
 		git_config *cfg;