Index: clang-tidy/misc/IncorrectRoundings.h
===================================================================
--- clang-tidy/misc/IncorrectRoundings.h
+++ clang-tidy/misc/IncorrectRoundings.h
@@ -14,6 +14,7 @@
 
 namespace clang {
 namespace tidy {
+namespace misc {
 
 /// \brief Checks the usage of patterns known to produce incorrect rounding.
 /// Programmers often use
@@ -31,8 +32,8 @@
   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
 };
 
+} // namespace misc
 } // namespace tidy
 } // namespace clang
 
-
 #endif  // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_INCORRECTROUNDINGS_H_
Index: clang-tidy/misc/IncorrectRoundings.cpp
===================================================================
--- clang-tidy/misc/IncorrectRoundings.cpp
+++ clang-tidy/misc/IncorrectRoundings.cpp
@@ -36,6 +36,7 @@
 
 namespace clang {
 namespace tidy {
+namespace misc {
 void IncorrectRoundings::registerMatchers(MatchFinder *MatchFinder) {
   // Match a floating literal with value 0.5.
   auto FloatHalf = floatLiteral(floatHalf());
@@ -70,5 +71,6 @@
        "consider using lround (#include <cmath>) instead");
 }
 
+} // namespace misc
 } // namespace tidy
 } // namespace clang