Typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159178 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/test_debuginfo.pl b/utils/test_debuginfo.pl
index fb61fb0..a03a117 100755
--- a/utils/test_debuginfo.pl
+++ b/utils/test_debuginfo.pl
@@ -24,7 +24,7 @@
 my $output_file = "$output_dir/$input_filename.gdb.output";
 
 # Extract debugger commands from testcase. They are marked with DEBUGGER: 
-# at the beginnign of a comment line.
+# at the beginning of a comment line.
 open(INPUT, $testcase_file);
 open(OUTPUT, ">$debugger_script_file");
 while(<INPUT>) {