[Doc] Fix typo. NFC

Fixes #56429

diff --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst
index 1778a0a..28748a1 100644 (file)
--- a/llvm/docs/LangRef.rst
+++ b/llvm/docs/LangRef.rst
@@ -2245,7 +2245,7 @@ example:
     about the range of vscale.
 ``"min-legal-vector-width"="<size>"``
     This attribute indicates the minimum legal vector width required by the
-    calling conversion. It is the maximum width of vector arguments and
+    calling convension. It is the maximum width of vector arguments and
     returnings in the function and functions called by this function. Because
     all the vectors are supposed to be legal type for compatibility.
     Backends are free to ignore the attribute if they don't need to support