Fix typo from r206232

llvm-svn: 206234
diff --git a/clang/lib/Analysis/AnalysisDeclContext.cpp b/clang/lib/Analysis/AnalysisDeclContext.cpp
index ef9ce56..fa4bd33 100644
--- a/clang/lib/Analysis/AnalysisDeclContext.cpp
+++ b/clang/lib/Analysis/AnalysisDeclContext.cpp
@@ -190,7 +190,7 @@
     if (PM)
       addParentsForSyntheticStmts(cfg.get(), *PM);
 
-    // The Obersver should only observe one build of the CFG.
+    // The Observer should only observe one build of the CFG.
     getCFGBuildOptions().Observer = 0;
   }
   return cfg.get();
@@ -209,7 +209,7 @@
     if (PM)
       addParentsForSyntheticStmts(completeCFG.get(), *PM);
 
-    // The Obersver should only observe one build of the CFG.
+    // The Observer should only observe one build of the CFG.
     getCFGBuildOptions().Observer = 0;
   }
   return completeCFG.get();