diff --git a/tools/bugpoint/bugpoint.cpp b/tools/bugpoint/bugpoint.cpp
index 3c4f3e40f5a..e0941914d8d 100644
--- a/tools/bugpoint/bugpoint.cpp
+++ b/tools/bugpoint/bugpoint.cpp
@@ -72,15 +72,15 @@ StandardLinkOpts("std-link-opts",
 
 static cl::opt<bool>
 OptLevelO1("O1",
-           cl::desc("Optimization level 1. Similar to llvm-gcc -O1"));
+           cl::desc("Optimization level 1. Identical with 'opt -O1'"));
 
 static cl::opt<bool>
 OptLevelO2("O2",
-           cl::desc("Optimization level 2. Similar to llvm-gcc -O2"));
+           cl::desc("Optimization level 2. Identical with 'opt -O2'"));
 
 static cl::opt<bool>
 OptLevelO3("O3",
-           cl::desc("Optimization level 3. Similar to llvm-gcc -O3"));
+           cl::desc("Optimization level 3. Identical with 'opt -O3'"));
 
 static cl::opt<std::string>
 OverrideTriple("mtriple", cl::desc("Override target triple for module"));