[gn] Fix typos in the documentation.

tools/gn/docs/quick_start.md

Index: tools/gn/docs/quick_start.md
diff --git a/tools/gn/docs/quick_start.md b/tools/gn/docs/quick_start.md
index ae06b96826d8683aab640080a3a0cc469f8b5b1d..0b484598e26cf0f27bdafb306df2d2d0c6b2cdc1 100644
--- a/tools/gn/docs/quick_start.md
+++ b/tools/gn/docs/quick_start.md
@@ -266,7 +266,7 @@ static_library("hello") {
 ```
 
 This applies the `hello_config` to the `hello` target itself, plus all
-targets that depend on transitively depend on the current one. Now
+targets that transitively depend on the current one. Now

[Nico, 2016/01/12 15:19:24]

optional: consider doing `gqap` (if you use vim)

[Michael Achenbach, 2016/01/14 15:09:32]

Not using vim. But trying to get the same results anyway, WDYT?

 everybody that depends on us will get our settings. You can also set
 `public_configs` which applies only to targets that directly
 depend on your target (not transitively).
@@ -323,7 +323,7 @@ came from on the `say_hello` target:
 ```
 
 You can see that `TWO_PEOPLE` was defined by a config, and you can also
-see the which like caused that config to be applied to your target (in
+see the which line caused that config to be applied to your target (in
 this case, the `all_dependent_configs` line).
 
 Another particularly interesting variation: