Fix a spelling mistake in a comment. NFC

(I'm currently trying to debug a strange error message I get when
pushing to github, despite the pushes being successful).

diff --git a/llvm/lib/Target/X86/X86IndirectBranchTracking.cpp b/llvm/lib/Target/X86/X86IndirectBranchTracking.cpp
index cc0f59a..be12e29 100644 (file)
--- a/llvm/lib/Target/X86/X86IndirectBranchTracking.cpp
+++ b/llvm/lib/Target/X86/X86IndirectBranchTracking.cpp
@@ -53,7 +53,7 @@ private:
   /// Endbr opcode for the current machine function.
   unsigned int EndbrOpcode;
 
-  /// Adds a new ENDBR instruction to the begining of the MBB.
+  /// Adds a new ENDBR instruction to the beginning of the MBB.
   /// The function will not add it if already exists.
   /// It will add ENDBR32 or ENDBR64 opcode, depending on the target.
   /// \returns true if the ENDBR was added and false otherwise.