diff --git a/Dockerfile b/Dockerfile
index 561b0b9a..4f14bd35 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ ARG GO_VERSION=1.15
 FROM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS builder
 RUN apk --update add git
 ENV CGO_ENABLED=0
-ARG GOLANGCI_LINT_VERSION=v1.31.0
+ARG GOLANGCI_LINT_VERSION=v1.33.0
 RUN wget -O- -nv https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s ${GOLANGCI_LINT_VERSION}
 WORKDIR /tmp/gobuild
 COPY .golangci.yml .
@@ -18,10 +18,10 @@ COPY internal/ ./internal/
 RUN go test ./...
 RUN golangci-lint run --timeout=10m
 RUN go build -trimpath -ldflags="-s -w \
--X 'main.version=$VERSION' \
--X 'main.buildDate=$BUILD_DATE' \
--X 'main.commit=$COMMIT' \
-" -o entrypoint main.go
+    -X 'main.version=$VERSION' \
+    -X 'main.buildDate=$BUILD_DATE' \
+    -X 'main.commit=$COMMIT' \
+    " -o entrypoint main.go
 
 FROM alpine:${ALPINE_VERSION}
 ARG VERSION=unknown
diff --git a/internal/constants/dns.go b/internal/constants/dns.go
index 485097ec..1ba83092 100644
--- a/internal/constants/dns.go
+++ b/internal/constants/dns.go
@@ -97,7 +97,7 @@ func DNSProviderMapping() map[models.DNSProvider]models.DNSProviderData {
 	}
 }
 
-// Block lists URLs
+// Block lists URLs.
 //nolint:lll
 const (
 	AdsBlockListHostnamesURL          models.URL = "https://raw.githubusercontent.com/qdm12/files/master/ads-hostnames.updated"