diff --git a/clang/lib/Driver/ToolChains/AIX.h b/clang/lib/Driver/ToolChains/AIX.h
index cc74e5ea85efc..04f9b2240999c 100644
--- a/clang/lib/Driver/ToolChains/AIX.h
+++ b/clang/lib/Driver/ToolChains/AIX.h
@@ -16,7 +16,7 @@ namespace clang {
 namespace driver {
 namespace tools {
 
-/// aix -- Directly call system default assembler and linker.
+/// Directly call system default assembler and linker.
 namespace aix {
 
 class LLVM_LIBRARY_VISIBILITY Assembler : public Tool {
diff --git a/clang/lib/Driver/ToolChains/DragonFly.h b/clang/lib/Driver/ToolChains/DragonFly.h
index 42ce960c5bdbd..4dceb09a17364 100644
--- a/clang/lib/Driver/ToolChains/DragonFly.h
+++ b/clang/lib/Driver/ToolChains/DragonFly.h
@@ -16,7 +16,8 @@
 namespace clang {
 namespace driver {
 namespace tools {
-/// dragonfly -- Directly call GNU Binutils assembler and linker
+
+/// Directly call GNU Binutils assembler and linker
 namespace dragonfly {
 class LLVM_LIBRARY_VISIBILITY Assembler : public Tool {
 public:
diff --git a/clang/lib/Driver/ToolChains/FreeBSD.h b/clang/lib/Driver/ToolChains/FreeBSD.h
index cec67d84a2cea..740274b314ba1 100644
--- a/clang/lib/Driver/ToolChains/FreeBSD.h
+++ b/clang/lib/Driver/ToolChains/FreeBSD.h
@@ -17,7 +17,7 @@ namespace clang {
 namespace driver {
 namespace tools {
 
-/// freebsd -- Directly call GNU Binutils assembler and linker
+/// Directly call GNU Binutils assembler and linker
 namespace freebsd {
 class LLVM_LIBRARY_VISIBILITY Assembler : public Tool {
 public:
diff --git a/clang/lib/Driver/ToolChains/MinGW.h b/clang/lib/Driver/ToolChains/MinGW.h
index 6d5feeacdadda..a71013912d0a3 100644
--- a/clang/lib/Driver/ToolChains/MinGW.h
+++ b/clang/lib/Driver/ToolChains/MinGW.h
@@ -20,7 +20,7 @@ namespace clang {
 namespace driver {
 namespace tools {
 
-/// MinGW -- Directly call GNU Binutils assembler and linker
+/// Directly call GNU Binutils assembler and linker
 namespace MinGW {
 class LLVM_LIBRARY_VISIBILITY Assembler : public Tool {
 public:
diff --git a/clang/lib/Driver/ToolChains/NetBSD.h b/clang/lib/Driver/ToolChains/NetBSD.h
index 0f9b6dceb6fcf..044c4239c3f48 100644
--- a/clang/lib/Driver/ToolChains/NetBSD.h
+++ b/clang/lib/Driver/ToolChains/NetBSD.h
@@ -17,7 +17,7 @@ namespace clang {
 namespace driver {
 namespace tools {
 
-/// netbsd -- Directly call GNU Binutils assembler and linker
+/// Directly call GNU Binutils assembler and linker
 namespace netbsd {
 class LLVM_LIBRARY_VISIBILITY Assembler : public Tool {
 public:
diff --git a/clang/lib/Driver/ToolChains/OpenBSD.h b/clang/lib/Driver/ToolChains/OpenBSD.h
index b7d3d1b5b6dc3..486dbf1407c24 100644
--- a/clang/lib/Driver/ToolChains/OpenBSD.h
+++ b/clang/lib/Driver/ToolChains/OpenBSD.h
@@ -18,7 +18,7 @@ namespace clang {
 namespace driver {
 namespace tools {
 
-/// openbsd -- Directly call GNU Binutils assembler and linker
+/// Directly call GNU Binutils assembler and linker
 namespace openbsd {
 class LLVM_LIBRARY_VISIBILITY Assembler : public Tool {
 public:
diff --git a/clang/lib/Driver/ToolChains/Solaris.h b/clang/lib/Driver/ToolChains/Solaris.h
index 04b68c5053caa..b8f2497d7c8eb 100644
--- a/clang/lib/Driver/ToolChains/Solaris.h
+++ b/clang/lib/Driver/ToolChains/Solaris.h
@@ -17,7 +17,7 @@ namespace clang {
 namespace driver {
 namespace tools {
 
-/// solaris -- Directly call Solaris assembler and linker
+/// Directly call Solaris assembler and linker
 namespace solaris {
 class LLVM_LIBRARY_VISIBILITY Assembler : public gnutools::Assembler {
 public:
diff --git a/clang/lib/Driver/ToolChains/ZOS.h b/clang/lib/Driver/ToolChains/ZOS.h
index 548b432ade767..4b9b332c0f3fb 100644
--- a/clang/lib/Driver/ToolChains/ZOS.h
+++ b/clang/lib/Driver/ToolChains/ZOS.h
@@ -16,7 +16,7 @@ namespace clang {
 namespace driver {
 namespace tools {
 
-/// zos -- Directly call system default assembler and linker.
+/// Directly call system default assembler and linker.
 namespace zos {
 
 class LLVM_LIBRARY_VISIBILITY Assembler : public Tool {