diff --git a/cmd/keytransparency-client/cmd/root.go b/cmd/keytransparency-client/cmd/root.go
index e873e9c3b..0cc11f094 100644
--- a/cmd/keytransparency-client/cmd/root.go
+++ b/cmd/keytransparency-client/cmd/root.go
@@ -264,7 +264,7 @@ func readConfigFromDisk() (*pb.Directory, error) {
 	}
 	mapPubPB, err := der.ToPublicProto(mapPubKey)
 	if err != nil {
-		return nil, fmt.Errorf("error seralizeing map public key: %v", err)
+		return nil, fmt.Errorf("error serializing map public key: %v", err)
 	}
 
 	return &pb.Directory{
diff --git a/cmd/serverutil/healthz.go b/cmd/serverutil/healthz.go
index 8bc09320e..f6904bb8b 100644
--- a/cmd/serverutil/healthz.go
+++ b/cmd/serverutil/healthz.go
@@ -20,7 +20,7 @@ import (
 	"gocloud.dev/server/health"
 )
 
-// RootHeaalthHandler handles liveness checks at "/".
+// RootHealthHandler handles liveness checks at "/".
 // All other requests are passed through to `otherHandler`.
 func RootHealthHandler(otherHandler http.Handler) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
diff --git a/core/adminserver/admin_server.go b/core/adminserver/admin_server.go
index af3d17bc3..2f96f2891 100644
--- a/core/adminserver/admin_server.go
+++ b/core/adminserver/admin_server.go
@@ -218,7 +218,7 @@ func treeConfig(treeTemplate *tpb.CreateTreeRequest, privKey *any.Any, directory
 	return config
 }
 
-// CreateDirectory reachs out to Trillian to produce new trees.
+// CreateDirectory reaches out to Trillian to produce new trees.
 func (s *Server) CreateDirectory(ctx context.Context, in *pb.CreateDirectoryRequest) (*pb.Directory, error) {
 	glog.Infof("Begin CreateDirectory(%v)", in.GetDirectoryId())
 	if _, err := s.directories.Read(ctx, in.GetDirectoryId(), true); status.Code(err) != codes.NotFound {
diff --git a/core/api/v1/admin.proto b/core/api/v1/admin.proto
index f4b6afe5b..b5bc8f938 100644
--- a/core/api/v1/admin.proto
+++ b/core/api/v1/admin.proto
@@ -137,7 +137,7 @@ service KeyTransparencyAdmin {
       get: "/v1/directories"
     };
   }
-  // GetDirectory returns the confiuration information for a given directory.
+  // GetDirectory returns the configuration information for a given directory.
   rpc GetDirectory(GetDirectoryRequest) returns (Directory) {
     option (google.api.http) = {
       get: "/v1/directories/{directory_id}"
diff --git a/core/client/get_and_verify.go b/core/client/get_and_verify.go
index b6650edb7..c407b7a2c 100644
--- a/core/client/get_and_verify.go
+++ b/core/client/get_and_verify.go
@@ -81,7 +81,7 @@ func (c *Client) VerifiedGetLatestRevision(ctx context.Context) (*types.LogRootV
 		return nil, nil, err
 	}
 	if mr.Revision != wantRevision {
-		return nil, nil, fmt.Errorf("map revision is not the most recent. smr.Revison: %v != slr.TreeSize-1: %v", mr.Revision, lr.TreeSize-1)
+		return nil, nil, fmt.Errorf("map revision is not the most recent. smr.Revision: %v != slr.TreeSize-1: %v", mr.Revision, lr.TreeSize-1)
 	}
 	return lr, mr, nil
 }
diff --git a/core/client/meetinthemiddle.go b/core/client/meetinthemiddle.go
index b21441c3a..040c3fa67 100644
--- a/core/client/meetinthemiddle.go
+++ b/core/client/meetinthemiddle.go
@@ -54,7 +54,7 @@ func NewerRevisionsToVerify(created, current, verified uint64) []uint64 {
 //
 // TODO: Consier limiting the max period between checks to the expected value
 // of other party lifetimes -- the maximum amount of time this algorithm can
-// tollerate the other party being offline at an unknown point in the past.
+// tolerate the other party being offline at an unknown point in the past.
 // Currently this algorithm expects the relying party to keep its memory and
 // be online at least once every `current = 2ⁱ` revisions. See Tests.
 func OlderRevisionsToVerify(current, verified uint64) []uint64 {
diff --git a/core/frontend/frontend.go b/core/frontend/frontend.go
index e6b15913e..525c8ad90 100644
--- a/core/frontend/frontend.go
+++ b/core/frontend/frontend.go
@@ -29,7 +29,7 @@ import (
 	pb "github.com/google/keytransparency/core/api/v1/keytransparency_go_proto"
 )
 
-// PublicKeyGetter retrives a public key.
+// PublicKeyGetter retrieves a public key.
 type PublicKeyGetter interface {
 	PublicKey() *keyset.Handle
 }
diff --git a/core/keyserver/keyserver.go b/core/keyserver/keyserver.go
index 9fa284395..860626219 100644
--- a/core/keyserver/keyserver.go
+++ b/core/keyserver/keyserver.go
@@ -281,7 +281,7 @@ func (s *Server) batchGetUserByRevision(ctx context.Context, sth *tpb.SignedLogR
 		})
 	if st := status.Convert(err); st.Code() != codes.OK {
 		glog.Errorf("tlog.GetInclusionProof(%v): %v", d.Log.TreeId, err)
-		return nil, status.Errorf(st.Code(), "caannot fetch log inclusion proof: %v", st.Message())
+		return nil, status.Errorf(st.Code(), "cannot fetch log inclusion proof: %v", st.Message())
 	}
 
 	return &pb.BatchGetUserResponse{
diff --git a/core/mutator/entry/mutator.go b/core/mutator/entry/mutator.go
index e330c3d28..e6889bb2e 100644
--- a/core/mutator/entry/mutator.go
+++ b/core/mutator/entry/mutator.go
@@ -143,7 +143,7 @@ func MutateFn(oldSignedEntry, newSignedEntry *pb.SignedEntry) (*pb.SignedEntry,
 	}
 
 	if oldSignedEntry == nil {
-		// Skip verificaion checks if there is no previous oldSignedEntry.
+		// Skip verification checks if there is no previous oldSignedEntry.
 		return newSignedEntry, nil
 	}
 
diff --git a/core/sequencer/server_test.go b/core/sequencer/server_test.go
index 591e6dfac..09496700d 100644
--- a/core/sequencer/server_test.go
+++ b/core/sequencer/server_test.go
@@ -143,7 +143,7 @@ func TestDefiningRevisions(t *testing.T) {
 		maxGap     int32
 		wantNew    int64
 	}{
-		{desc: "alomost-blocked", highestRev: mapRev + 1, maxGap: 1, wantNew: mapRev + 2},
+		{desc: "almost-blocked", highestRev: mapRev + 1, maxGap: 1, wantNew: mapRev + 2},
 		{desc: "blocked", highestRev: mapRev + 2, wantNew: mapRev + 2},
 		{desc: "unblocked", highestRev: mapRev, wantNew: mapRev + 1},
 		{desc: "lagging", highestRev: mapRev + 3, wantNew: mapRev + 3},
diff --git a/docs/api.md b/docs/api.md
index c38ea37ed..559c28440 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -537,7 +537,7 @@ Leaf entry for a user.
 <a name="google.keytransparency.v1.MapRevision"></a>
 
 ### MapRevision
-MapRevision contains a map leaf at a speific revision.
+MapRevision contains a map leaf at a specific revision.
 
 
 | Field | Type | Label | Description |
@@ -938,7 +938,7 @@ The KeyTransparencyAdmin API provides the following resources:
 | Method Name | Request Type | Response Type | Description |
 | ----------- | ------------ | ------------- | ------------|
 | ListDirectories | [ListDirectoriesRequest](#google.keytransparency.v1.ListDirectoriesRequest) | [ListDirectoriesResponse](#google.keytransparency.v1.ListDirectoriesResponse) | ListDirectories returns a list of all directories this Key Transparency server operates on. |
-| GetDirectory | [GetDirectoryRequest](#google.keytransparency.v1.GetDirectoryRequest) | [Directory](#google.keytransparency.v1.Directory) | GetDirectory returns the confiuration information for a given directory. |
+| GetDirectory | [GetDirectoryRequest](#google.keytransparency.v1.GetDirectoryRequest) | [Directory](#google.keytransparency.v1.Directory) | GetDirectory returns the configuration information for a given directory. |
 | CreateDirectory | [CreateDirectoryRequest](#google.keytransparency.v1.CreateDirectoryRequest) | [Directory](#google.keytransparency.v1.Directory) | CreateDirectory creates a new Trillian log/map pair. A unique directoryId must be provided. To create a new directory with the same name as a previously deleted directory, a user must wait X days until the directory is garbage collected. |
 | DeleteDirectory | [DeleteDirectoryRequest](#google.keytransparency.v1.DeleteDirectoryRequest) | [.google.protobuf.Empty](#google.protobuf.Empty) | DeleteDirectory marks a directory as deleted. Directories will be garbage collected after X days. |
 | UndeleteDirectory | [UndeleteDirectoryRequest](#google.keytransparency.v1.UndeleteDirectoryRequest) | [.google.protobuf.Empty](#google.protobuf.Empty) | UndeleteDirectory marks a previously deleted directory as active if it has not already been garbage collected. |
diff --git a/docs/architecture.md b/docs/architecture.md
index 7c5af580d..d6bd9e884 100644
--- a/docs/architecture.md
+++ b/docs/architecture.md
@@ -16,7 +16,7 @@ Map.
 
 # Commitment Table
 The commitment table stores account values and the associated commitment key 
-nessesary to verify the commitment stored in the Trillian Map. 
+necessary to verify the commitment stored in the Trillian Map. 
 
 # Mutation Table
 When a user wishes to make a change to their account, they create a signed change
@@ -35,7 +35,7 @@ The Trillian Map stores the sparse merkle tree and is designed to scale to
 extremely large trees. The Trillian Map is updated in batches.
 
 # Trillian Log
-The Trillian Log stores a dense merkle tree in the style of Ceritificate 
+The Trillian Log stores a dense merkle tree in the style of Certificate 
 Transparency.  The Key Transparency Sequencer adds SignedMapRoots from the
 Trillian Map to the Trillian Log as they are created. 
 
diff --git a/docs/meet-in-the-middle.md b/docs/meet-in-the-middle.md
index 3fcd4a310..c01c25f92 100644
--- a/docs/meet-in-the-middle.md
+++ b/docs/meet-in-the-middle.md
@@ -8,7 +8,7 @@ revision *current* to perform append-only proofs between revisions *fetched* <=
 ### Background
 Key Transparency 1.0 allowed Bob to fetch at an unknown revision, requiring
 Alice to fetch *all* revisions in order to verify her key history, an O(n)
-amount of work where n is the number of revisonis between verifications. This
+amount of work where n is the number of revisions between verifications. This
 limited the frequency and freshness of directory updates.
 
 The meet in the middle algorithm shares the work between Alice and Bob by
@@ -18,7 +18,7 @@ verification work down to a logarithmic, regardless of directory freshness.
 
 ## Algorithm
 
-### Sender Verificatoin
+### Sender Verification
 Clients save the (earliest) revision number associated with the data they have
 fetched.  For Key Transparency, this means that *senders* will store, for each
 contact, the contact's public key, map revision number it was fetched at, and
diff --git a/impl/authorization/authorization_test.go b/impl/authorization/authorization_test.go
index 116d7285b..e7f93e1a4 100644
--- a/impl/authorization/authorization_test.go
+++ b/impl/authorization/authorization_test.go
@@ -157,7 +157,7 @@ func TestIsAuthorized(t *testing.T) {
 	}
 }
 
-func TestResouceLabel(t *testing.T) {
+func TestResourceLabel(t *testing.T) {
 	for _, tc := range []struct {
 		directoryID string
 		out         string
diff --git a/scripts/kubernetes_test.sh b/scripts/kubernetes_test.sh
index b2de0f014..fb18a6a14 100755
--- a/scripts/kubernetes_test.sh
+++ b/scripts/kubernetes_test.sh
@@ -2,7 +2,7 @@
 set -ex
 set -o pipefail
 
-# This script assumes the existance of a local cluster
+# This script assumes the existence of a local cluster
 # go get sigs.k8s.io/kind@v0.6.1 
 # kind create cluster --config deploy/kubernetes/kind-config.yaml
 # kubectl cluster-info --context kind-kind