fix typo

Author: mingmingl-llvm

llvm/include/llvm/IR/GlobalObject.h

@@ -121,9 +121,9 @@ class GlobalObject : public GlobalValue {
   /// appropriate default object file section.
   LLVM_ABI void setSection(StringRef S);
 
-  /// If existing prefix is different from \p Prefix is different, set it to
-  /// \p Prefix. If \p Prefix is empty, the set clears the existing metadata.
-  /// Returns true if section prefix changed and false otherwise.
+  /// If existing prefix is different from \p Prefix, set it to \p Prefix. If \p
+  /// Prefix is empty, the set clears the existing metadata. Returns true if
+  /// section prefix changed and false otherwise.
   LLVM_ABI bool setSectionPrefix(StringRef Prefix);
 
   /// Get the section prefix for this global object.