diff --git a/misc/cgo/test/env.go b/misc/cgo/test/env.go
index b2081b72837..e0703e14528 100644
--- a/misc/cgo/test/env.go
+++ b/misc/cgo/test/env.go
@@ -18,8 +18,8 @@ import (
 // This is really an os package test but here for convenience.
 func testSetEnv(t *testing.T) {
 	if runtime.GOOS == "windows" {
-		// Go uses SetEnvironmentVariable on windows. Howerver,
-		// C runtime takes a *copy* at process startup of thei
+		// Go uses SetEnvironmentVariable on windows. However,
+		// C runtime takes a *copy* at process startup of the
 		// OS environment, and stores it in environ/envp.
 		// It is this copy that	getenv/putenv manipulate.
 		t.Logf("skipping test")
diff --git a/misc/cgo/testcarchive/testdata/main4.c b/misc/cgo/testcarchive/testdata/main4.c
index 4fd55e753d5..a74763dd70e 100644
--- a/misc/cgo/testcarchive/testdata/main4.c
+++ b/misc/cgo/testcarchive/testdata/main4.c
@@ -93,7 +93,7 @@ static void* thread1(void* arg __attribute__ ((unused))) {
 		fprintf(stderr, "sigaltstack disabled on return from Go\n");
 		ok = 0;
 	} else if (nss.ss_sp != ss.ss_sp) {
-		fprintf(stderr, "sigalstack changed on return from Go\n");
+		fprintf(stderr, "sigaltstack changed on return from Go\n");
 		ok = 0;
 	}
 
@@ -150,7 +150,7 @@ static void* thread2(void* arg __attribute__ ((unused))) {
 		fprintf(stderr, "sigaltstack disabled on return from Go\n");
 		ok = 0;
 	} else if (nss.ss_sp != ss.ss_sp) {
-		fprintf(stderr, "sigalstack changed on return from Go\n");
+		fprintf(stderr, "sigaltstack changed on return from Go\n");
 		ok = 0;
 	}
 
diff --git a/misc/cgo/testcarchive/testdata/main5.c b/misc/cgo/testcarchive/testdata/main5.c
index 897b70d2fa6..9d0da336521 100644
--- a/misc/cgo/testcarchive/testdata/main5.c
+++ b/misc/cgo/testcarchive/testdata/main5.c
@@ -85,7 +85,7 @@ int main(int argc, char** argv) {
 				printf("write(2) unexpectedly succeeded\n");
 				return 0;
 			}
-			printf("did not receieve SIGPIPE\n");
+			printf("did not receive SIGPIPE\n");
 			return 0;
 		}
 		default:
diff --git a/misc/nacl/testdata/mime.types b/misc/nacl/testdata/mime.types
index 81a415e9e66..ba678d5a4ec 100644
--- a/misc/nacl/testdata/mime.types
+++ b/misc/nacl/testdata/mime.types
@@ -1,6 +1,6 @@
 # This file maps Internet media types to unique file extension(s).
 # Although created for httpd, this file is used by many software systems
-# and has been placed in the public domain for unlimited redisribution.
+# and has been placed in the public domain for unlimited redistribution.
 #
 # The table below contains both registered and (common) unregistered types.
 # A type that has no unique extension can be ignored -- they are listed