Fix comments.

llvm-svn: 205568
diff --git a/lld/lib/Core/Resolver.cpp b/lld/lib/Core/Resolver.cpp
index 1361437..ff80d68 100644
--- a/lld/lib/Core/Resolver.cpp
+++ b/lld/lib/Core/Resolver.cpp
@@ -178,7 +178,7 @@
 
 /// \brief Add the section group and the group-child reference members.
 bool Resolver::maybeAddSectionGroupOrGnuLinkOnce(const DefinedAtom &atom) {
-  // First time adding a group ?
+  // First time adding a group?
   bool isFirstTime = _symbolTable.addGroup(atom);
 
   if (!isFirstTime) {