Fix typo in marker shape doc
Fix typo in marker shape doc

egeloen/IvoryGoogleMapBundle,radutopala/IvoryGoogleMapBundle,radutopala/IvoryGoogleMapBundle,egeloen/IvoryGoogleMapBundle,yappabe/IvoryGoogleMapBundle,yappabe/IvoryGoogleMapBundle,rasanga/IvoryGoogleMapBundle,egeloen/IvoryGoogleMapBundle,radutopala/IvoryGoogleMapBundle,rasanga/IvoryGoogleMapBundle