diff --git a/llvm/test/tools/llvm-objcopy/MachO/install-name-tool-help-message.test b/llvm/test/tools/llvm-objcopy/MachO/install-name-tool-help-message.test
--- a/llvm/test/tools/llvm-objcopy/MachO/install-name-tool-help-message.test
+++ b/llvm/test/tools/llvm-objcopy/MachO/install-name-tool-help-message.test
@@ -1,10 +1,10 @@
-# RUN: llvm-install-name-tool -h | FileCheck --check-prefix=INSTALL-NAME-TOOL-USAGE %s
-# RUN: llvm-install-name-tool --help | FileCheck --check-prefix=INSTALL-NAME-TOOL-USAGE %s
-# RUN: not llvm-install-name-tool 2>&1 | FileCheck --check-prefix=INSTALL-NAME-TOOL-USAGE %s
+# RUN: llvm-install-name-tool -h | FileCheck --check-prefix=INSTALL-NAME-TOOL-USAGE %s --match-full-lines
+# RUN: llvm-install-name-tool --help | FileCheck --check-prefix=INSTALL-NAME-TOOL-USAGE %s --match-full-lines
+# RUN: not llvm-install-name-tool 2>&1 | FileCheck --check-prefix=INSTALL-NAME-TOOL-USAGE %s --match-full-lines
 # RUN: not llvm-install-name-tool -abcabc 2>&1 | FileCheck --check-prefix=UNKNOWN-ARG %s
 # RUN: not llvm-install-name-tool --abcabc 2>&1 | FileCheck --check-prefix=UNKNOWN-ARG %s
 
-# INSTALL-NAME-TOOL-USAGE: USAGE: llvm-install-name-tool
-# INSTALL-NAME-TOOL-USAGE: @FILE
+# INSTALL-NAME-TOOL-USAGE: USAGE: llvm-install-name-tool input
+# INSTALL-NAME-TOOL-USAGE: Pass @FILE as argument to read options from FILE.
 
 # UNKNOWN-ARG: unknown argument '{{-+}}abcabc'
diff --git a/llvm/tools/llvm-objcopy/CopyConfig.cpp b/llvm/tools/llvm-objcopy/CopyConfig.cpp
--- a/llvm/tools/llvm-objcopy/CopyConfig.cpp
+++ b/llvm/tools/llvm-objcopy/CopyConfig.cpp
@@ -395,7 +395,8 @@
 
 static void printHelp(const opt::OptTable &OptTable, raw_ostream &OS,
                       StringRef ToolName) {
-  OptTable.PrintHelp(OS, (ToolName + " input [output]").str().c_str(),
+  StringRef Output = ToolName == "llvm-install-name-tool" ? "" : " [output]";
+  OptTable.PrintHelp(OS, (ToolName + " input" + Output).str().c_str(),
                      (ToolName + " tool").str().c_str());
   // TODO: Replace this with libOption call once it adds extrahelp support.
   // The CommandLine library has a cl::extrahelp class to support this,