diff --git a/.gitignore b/.gitignore
index 23e1078c..98fe00b3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@ debug*
 docker/blockbook
 build/pkg-defs
 build/blockbook
+build/blockchaincfg.json
 build/ldb
 build/sst_dump
 build/*.deb
diff --git a/docs/build.md b/docs/build.md
index 84f2ca55..7cac078f 100644
--- a/docs/build.md
+++ b/docs/build.md
@@ -194,7 +194,7 @@ like macOS or Windows, please read instructions specific for each project.
 Setup go environment:
 
 ```
-wget https://dl.google.com/go/go1.14.2.linux-amd64.tar.tz && tar xf go1.14.2.linux-amd64.tar.gz
+wget https://golang.org/dl/go1.14.2.linux-amd64.tar.gz && tar xf go1.14.2.linux-amd64.tar.gz
 sudo mv go /opt/go
 sudo ln -s /opt/go/bin/go /usr/bin/go
 # see `go help gopath` for details
@@ -211,6 +211,7 @@ sudo apt-get update && sudo apt-get install -y \
     build-essential git wget pkg-config libzmq3-dev libgflags-dev libsnappy-dev zlib1g-dev libbz2-dev liblz4-dev
 git clone https://github.com/facebook/rocksdb.git
 cd rocksdb
+git checkout v6.8.1
 CFLAGS=-fPIC CXXFLAGS=-fPIC make release
 ```
 
@@ -223,6 +224,15 @@ export CGO_LDFLAGS="-L/path/to/rocksdb -lrocksdb -lstdc++ -lm -lz -ldl -lbz2 -ls
 
 Install ZeroMQ: https://github.com/zeromq/libzmq
 
+```
+git clone https://github.com/zeromq/libzmq
+cd libzmq
+./autogen.sh
+./configure
+make
+sudo make install
+```
+
 Get blockbook sources, install dependencies, build:
 
 ```
@@ -244,7 +254,7 @@ Blockbook's blockchain configuration from our coin definition files.
 
 Example for Bitcoin:
 ```
-contrib/scripts/build-blockchaincfg.sh
+./contrib/scripts/build-blockchaincfg.sh <coin>
 ./blockbook -sync -blockchaincfg=build/blockchaincfg.json -internal=:9030 -public=:9130 -certfile=server/testcert -logtostderr
 ```