Update llvm/include/llvm/IR/BasicBlock.h

Co-authored-by: Orlando Cazalet-Hyams <[email protected]>

Author: jmorse

llvm/include/llvm/IR/BasicBlock.h

@@ -299,7 +299,7 @@ class BasicBlock final : public Value, // Basic blocks are data objects also
   /// which might be PHI. Returns end() if there's no non-PHI instruction.
   ///
   /// Avoid unwrapping the iterator to an Instruction* before inserting here,
-  /// as debug-info relevant information is preserved in the iterator.
+  /// as important debug-info is preserved in the iterator.
   InstListType::const_iterator getFirstNonPHIIt() const;
   InstListType::iterator getFirstNonPHIIt() {
     BasicBlock::iterator It =