diff --git a/Build.md b/Build.md
index b0fc188..68c6a09 100644
--- a/Build.md
+++ b/Build.md
@@ -4,7 +4,7 @@
   * GCC 7 or higher (`optional,string_view` require libstdc++7 or higher)
   * MSVC 2017 or higher (included with VS2017 Build Tools)
 
-See [[Getting-started]] for simple cmake build instructions.
+See [[Getting-started]] for recommended configuration options for common systems.
 
 You may append `-G Ninja -DCMAKE_CXX_LINK_FLAGS=-fuse-ld=lld -DCMAKE_CXX_COMPILER=clang++`
 
@@ -17,12 +17,12 @@ are not supported at the moment.
 
 * `-DCMAKE_BUILD_TYPE=(Debug|MinSizeRel|Release|RelWithDebInfo)`
 
-  Default: Release  
+  Default: Release
   Set the build type. The most important ones are Debug and Release.
 
 * `-DSYSTEM_CLANG=(ON|OFF)`
 
-  Default: ON  
+  Default: ON
   Enable `SYSTEM_CLANG` if you want to link ccls against a system/local Clang instead of downloading Clang from releases.llvm.org during the configure process.
 
   ```
@@ -33,7 +33,7 @@ are not supported at the moment.
 * `-DCLANG_USE_BUNDLED_LIBC++=on`
 
   `clang+llvm*` downloaded from releases.llvm.org also provides libc++ libraries.
-  If your `libstdc++` is too old, you can use `libc++` in the bundled clang+llvm archive:
+  This can be used on FreeBSD, but probably does not work on Linux due to conflict of libstdc++ (linked by clang+llvm libraries) and libc++.
 
   ```zsh
   # If your clang++ is old, you may rerun this command with clang++ replaced to
diff --git a/Debugging.md b/Debugging.md
index 9774500..63d1f8b 100644
--- a/Debugging.md
+++ b/Debugging.md
@@ -4,15 +4,17 @@ First of all, use a Debug [[Build]]. It is compiled with `-O0 -g` while the defa
 
 `--log-file=/tmp/cc.log`
 
-### Dump LSP requests/responses
+### stderr
 
-Alternatively, enable logs and pass the `--log-all-to-stderr` option to the ccls executable (`bin/ccls --log-file=/tmp/cc.log --log-all-to-stderr`). You can find stderr output in:
+You can find stderr output in:
 
 * LanguageClient-neovim: `/tmp/LanguageServer.log` (default)
 * Emacs lsp-mode: `*lsp-ccls stderr*` buffer. They will also go to `*message*` buffer if `(setq lsp-print-io t)`
 * VSCode: TODO
 
-You can also use sysdig on Linux:
+### Dump LSP requests/responses
+
+Use sysdig on Linux:
 ```zsh
 sudo sysdig -As999 --unbuffered -p '%evt.type %proc.name %evt.buffer' "proc.exe contains ccls and fd.type=pipe" | egrep -v '^Content|^$'
 ```
diff --git a/Getting-started.md b/Getting-started.md
index 236694c..55457a0 100644
--- a/Getting-started.md
+++ b/Getting-started.md
@@ -23,8 +23,10 @@ The executable is at `release/ccls`.
 
 Additional notes: If your `libstdc++` is too old (no C++17 header files) or have an old GCC/Clang, you may use the `-DCLANG_USE_BUNDLED_LIBC++=on` command at [[Build]].
 
-* FreeBSD 11, Linux with `clang+llvm<6`: `cmake -H. -Brelease -DCLANG_USE_BUNDLED_LIBC++=on`
-* FreeBSD 12, Linux with newer libstdc++/clang/llvm (e.g. Arch Linux): `cmake -H. -Brelease -DSYSTEM_CLANG=on -DUSE_SHARED_LLVM=on`
+* Arch Linux: `cmake -H. -Brelease -DUSE_SHARED_LLVM=on`. `-DUSE_SHARED_LLVM=on` (optional) makes linked executable smaller.
+  [aur/ccls-git](https://aur.archlinux.org/packages/ccls-git) currently does not work as it links against `extra/clang=6.0.1-1` which has a [known issue](https://github.com/MaskRay/ccls/issues/30).
+* FreeBSD 11: `cmake -H. -Brelease -DCLANG_USE_BUNDLED_LIBC++=on`
+* FreeBSD 12, Linux with newer libstdc++ and clang>=6: `cmake -H. -Brelease -DSYSTEM_CLANG=on -DUSE_SHARED_LLVM=on`
 * Linux with `gcc < 7` but `clang >= 5`, `cmake -H. -Brelease -DCMAKE_CXX_COMPILER=clang++`
 
 ### Setup your editor
diff --git a/Home.md b/Home.md
index 8ecb08c..af1358e 100644
--- a/Home.md
+++ b/Home.md
@@ -10,10 +10,10 @@ To tell ccls how to find the source tree in your project, you may create either
 
 ## Editor configuration
 
-You need to set up a language client for your editor to use definition/reference/hover/... and for some advanced cquery features some extension is needed.
+You need to set up a language client for your editor to use definition/reference/hover/... and for some advanced ccls features some extension is needed.
 
 ## [[Initialization options]]
 
 Customization of ccls, e.g. indexing comments, using msgpack for cache files.
 
-Some tips for [[Debugging]]
\ No newline at end of file
+Some tips for [[Debugging]]