Whitespace fix in docs.
Whitespace fix in docs.

ser/flask-bootstrap,victorbjorklund/flask-bootstrap,Coxious/flask-bootstrap,eshijia/flask-bootstrap,suvorom/flask-bootstrap,suvorom/flask-bootstrap,BeardedSteve/flask-bootstrap,scorpiovn/flask-bootstrap,scorpiovn/flask-bootstrap,suvorom/flask-bootstrap,livepy/flask-bootstrap,JingZhou0404/flask-bootstrap,livepy/flask-bootstrap,victorbjorklund/flask-bootstrap,eshijia/flask-bootstrap,Coxious/flask-bootstrap,vishnugonela/flask-bootstrap,livepy/flask-bootstrap,moha24/flask-bootstrap,moha24/flask-bootstrap,vishnugonela/flask-bootstrap,Coxious/flask-bootstrap,JingZhou0404/flask-bootstrap,dingocuster/flask-bootstrap,BeardedSteve/flask-bootstrap,ser/flask-bootstrap,dingocuster/flask-bootstrap,dingocuster/flask-bootstrap,moha24/flask-bootstrap,BeardedSteve/flask-bootstrap,eshijia/flask-bootstrap,ser/flask-bootstrap,victorbjorklund/flask-bootstrap,scorpiovn/flask-bootstrap,vishnugonela/flask-bootstrap,JingZhou0404/flask-bootstrap