Fixed typo

.gitlab-ci.yml

@@ -25,7 +25,7 @@ preview:
     - echo "$PREVIEW_SSH_KEY" > sshkey
     - chmod 600 sshkey
     - rsync -e 'ssh -i sshkey' -rc --delete build/ $SSH_HOST:$HTML_DIR/$CI_BUILD_REF_NAME/
-    - ssh -i sshkey $SSH_HOST git -c $HTML_DIR/static/static/ pull
+    - ssh -i sshkey $SSH_HOST git -C $HTML_DIR/static/static/ pull
     - ssh -i sshkey $SSH_HOST cp -asf $HTML_DIR/static/static/articles/. HTML_DIR/$CI_BUILD_REF_NAME/clanek/
     - ssh -i sshkey $SSH_HOST cp -sf $HTML_DIR/static/static/images/ HTML_DIR/$CI_BUILD_REF_NAME/
     - rm sshkey