[NFC] Fix typo openclc

wenju-he · wenju-he · commit 13b8eff6d7da · 2023-09-27T08:38:46.000+08:00
diff --git a/README.md b/README.md
@@ -70,7 +70,7 @@ make all -j`nproc`
 
 ##### Preferred LLVM version
 
-By default, openclc-clang's cmake script is searching for LLVM 16.0.0. You can
+By default, opencl-clang's cmake script is searching for LLVM 16.0.0. You can
 override target version of LLVM by using the `PREFERRED_LLVM_VERSION` cmake
 option:
 
