[NFC] Remove trailing white spaces from `llvm/docs/LangRef.rst`
diff --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst
index c056709..13b72f40 100644
--- a/llvm/docs/LangRef.rst
+++ b/llvm/docs/LangRef.rst
@@ -13045,9 +13045,9 @@
- Caller and callee both have the calling convention ``fastcc`` or ``tailcc``.
- The call is in tail position (ret immediately follows call and ret
uses value of call or is void).
- - Option ``-tailcallopt`` is enabled, ``llvm::GuaranteedTailCallOpt`` is
+ - Option ``-tailcallopt`` is enabled, ``llvm::GuaranteedTailCallOpt`` is
``true``, or the calling convention is ``tailcc``.
- - `Platform-specific constraints are met.
+ - `Platform-specific constraints are met.
<CodeGenerator.html#tail-call-optimization>`_
#. The optional ``notail`` marker indicates that the optimizers should not add
