Fix typos (#8726)

Author: rex4539

repo/fsrepo/migrations/fetcher.go

@@ -38,7 +38,7 @@ type limitReadCloser struct {
 }
 
 // NewMultiFetcher creates a MultiFetcher with the given Fetchers.  The
-// Fetchers are tried in order ther passed to this function.
+// Fetchers are tried in order, then passed to this function.
 func NewMultiFetcher(f ...Fetcher) *MultiFetcher {
 
 	mf := &MultiFetcher{

test/sharness/t0087-repo-robust-gc.sh

@@ -73,7 +73,7 @@ test_gc_robust_part1() {
     grep -q "permission denied" block_rm_err
   '
 
-  # repo gc outputs raw multihashes. We chech HASH1 with block stat rather than
+  # repo gc outputs raw multihashes. We check HASH1 with block stat rather than
   # grepping the output since it's not a raw multihash
   test_expect_success "'ipfs repo gc' should still run and remove as much as possible" '
     test_must_fail ipfs repo gc 2>&1 | tee repo_gc_out &&