diff --git a/03-installing-osm.md b/03-installing-osm.md
index 0055a620fa65619f4abab4eb10a167ea9593a031..8d7ac315c552e52fbe7fd2517b250f255a933e88 100644
--- a/03-installing-osm.md
+++ b/03-installing-osm.md
@@ -271,7 +271,7 @@ sudo sed -i "/osm-download.etsi.org/d" /etc/apt/sources.list
 wget -qO - https://osm-download.etsi.org/repository/osm/debian/ReleaseSEVEN/OSM%20ETSI%20Release%20Key.gpg | sudo apt-key add -
 sudo add-apt-repository -y "deb [arch=amd64] https://osm-download.etsi.org/repository/osm/debian/ReleaseSEVEN stable devops osmclient"
 sudo apt-get update
-sudo -H pip3 install python-magic pyangbind
+sudo -H python3 -m pip install python-magic pyangbind
 sudo apt-get install python3-osmclient
 ```
 
diff --git a/10-osm-client-commands-reference.md b/10-osm-client-commands-reference.md
index 452b8f26a68118dd9faf6a18e1952a2ea3a3ee65..9bd3a1fe0667ab7dea38c34e8e1ff2710d16bf7b 100644
--- a/10-osm-client-commands-reference.md
+++ b/10-osm-client-commands-reference.md
@@ -148,7 +148,7 @@ Then you can add the following to your $HOME/.bashrc file:
 
 ```bash
 # Ubuntu 18.04 pre-requirements
-sudo apt-get install python3-pip libcurl4-gnutls-dev
+sudo apt-get install python3-pip libcurl4-openssl-dev libssl-dev
 # CentOS pre-requirements
 # sudo yum install python3-pip libcurl-devel gnutls-devel
 sudo -H python3 -m pip install python-magic
@@ -164,9 +164,9 @@ sudo -H python3 -m pip install git+https://osm.etsi.org/gerrit/osm/osmclient@v7.
 ### Installing from cloned repo (for developers)
 
 ```bash
-# Ubuntu 18.04 pre-requirements 
+# Ubuntu 18.04 pre-requirements
 sudo apt-get install python3-pip libcurl4-openssl-dev libssl-dev
-# Centos pre-requirements:
+# Centos pre-requirements
 # sudo yum install python3-pip libcurl-devel gnutls-devel
 sudo -H python3 -m pip install python-magic
 # Install OSM Information model