Fix some typos in doc

Author: giraffate

src/doc/src/appendix/git-authentication.md

@@ -46,7 +46,7 @@ Windows uses Pageant for SSH authentication.
 > **Note:** Cargo does not support git's shorthand SSH URLs like
 > `git@example.com/user/repo.git`. Use a full SSH URL like
 > `ssh://git@example.com/user/repo.git`.
->
+
 > **Note:** SSH configuration files (like OpenSSH's `~/.ssh/config`) are not
 > used by Cargo's built-in SSH library. More advanced requirements should use
 > [`net.git-fetch-with-cli`].

src/doc/src/guide/creating-a-new-project.md

@@ -86,6 +86,6 @@ $ cargo build --release
 `cargo build --release` puts the resulting binary in `target/release` instead of
 `target/debug`.
 
-Compiling in debug mode is the default for development-- compilation time is
+Compiling in debug mode is the default for development. Compilation time is
 shorter since the compiler doesn't do optimizations, but the code will run
 slower. Release mode takes longer to compile, but the code will run faster.