Merge pull request MegEngine#2 from jsonlee0x01/main

fix typos for building from source

compiler/README.md

@@ -1,6 +1,6 @@
 ## building
 
-megcc depend on llvm-project and megbrain, now llvm-project and megbrain are integrated by submodule, and static linked into megcc
+megcc depends on llvm-project and megbrain, now llvm-project and megbrain are integrated by submodule, and static linked into megcc
 - update third-party submodule
 ```
     $ cd megcc
@@ -12,11 +12,12 @@ megcc depend on llvm-project and megbrain, now llvm-project and megbrain are int
     $ mkdir build
     $ cmake .. -G Ninja
     $ ninja
-```
-after build the compiler tools is stored in build/tools/...
+
+after build, the compiler tools are stored in build/tools/...
+
 
 ### kernel test
-Ninja is recommend(make is not tested ...)
+Ninja is recommended(make is not tested ...)
 X86 test
 
     $ mkdir -p build_x86
@@ -43,7 +44,7 @@ ensure `lit` was already installed:
 and add option `-DLLVM_EXTERNAL_LIT=/path/to/lit` when cmake build
 
 ## ycm support
-if you are vimer, you can use ycm, you just need
+if you are a vimer, you can use ycm, you just need
 - cd compiler
 - mkdir build
 - building the whole compiler

yolox_example/README.md

@@ -51,11 +51,11 @@ make install/strip -j32
 ./yolox_test yolox_s.tiny --input=dog.jpg --output=<your_output_image>
 ```
 
-3. copy `your_output_image` back to your local machine, the result is showed in the image
+3. copy `your_output_image` back to your local machine, the result is shown in the image
 
 ## result example
 origin：
 ![origin](./dog.jpg)
 
 detection example：
-![output](./out.jpg)
+![output](./out.jpg)