[NFC] Fix typo

llvm-svn: 338987
diff --git a/llvm/lib/Bitcode/Reader/MetadataLoader.h b/llvm/lib/Bitcode/Reader/MetadataLoader.h
index f23dcc0..752eb35 100644
--- a/llvm/lib/Bitcode/Reader/MetadataLoader.h
+++ b/llvm/lib/Bitcode/Reader/MetadataLoader.h
@@ -67,7 +67,7 @@
 
   MDNode *getMDNodeFwdRefOrNull(unsigned Idx);
 
-  /// Return the DISubprogra metadata for a Function if any, null otherwise.
+  /// Return the DISubprogram metadata for a Function if any, null otherwise.
   DISubprogram *lookupSubprogramForFunction(Function *F);
 
   /// Parse a `METADATA_ATTACHMENT` block for a function.