doc: build: minor typo fix

Author: TaoLv

doc/build/build_options.md

@@ -282,8 +282,8 @@ $ cmake -DONEDNN_GPU_RUNTIME=OCL -DOPENCLROOT=/path/to/opencl/sdk ..
 
 The graph component can be enabled via the build option `ONEDNN_BUILD_GRAPH`.
 But the build option does not work with some values of other build options.
-Specifying the options and values simutanously in one build will lead to a CMake
-error.
+Specifying the options and values simultaneously in one build will lead to a
+CMake error.
 
 | CMake Option            | Value          |
 |:------------------------|:---------------|