Fix comment typo

llvm-svn: 193154
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index e01c032..5c4b59f 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -2743,7 +2743,7 @@
 /// known to be compatible.
 ///
 /// This routine handles the merging of attributes and other
-/// properties of function declarations form the old declaration to
+/// properties of function declarations from the old declaration to
 /// the new declaration, once we know that New is in fact a
 /// redeclaration of Old.
 ///