docs(cargo-install): clarify default location is about "sources"

Author: weihanglo

src/doc/man/cargo-install.md

@@ -24,8 +24,8 @@ installed, and all executables are installed into the installation root's
 {{> description-install-root }}
 
 There are multiple sources from which a crate can be installed. The default
-location is crates.io but the `--git`, `--path`, and `--registry` flags can
-change this source. If the source contains more than one package (such as
+source location is crates.io but the `--git`, `--path`, and `--registry` flags
+can change this source. If the source contains more than one package (such as
 crates.io or a git repository with multiple crates) the _crate_ argument is
 required to indicate which crate should be installed.
 

src/doc/man/generated_txt/cargo-install.txt

@@ -30,10 +30,11 @@ DESCRIPTION
        o  $HOME/.cargo
 
        There are multiple sources from which a crate can be installed. The
-       default location is crates.io but the --git, --path, and --registry
-       flags can change this source. If the source contains more than one
-       package (such as crates.io or a git repository with multiple crates) the
-       crate argument is required to indicate which crate should be installed.
+       default source location is crates.io but the --git, --path, and
+       --registry flags can change this source. If the source contains more
+       than one package (such as crates.io or a git repository with multiple
+       crates) the crate argument is required to indicate which crate should be
+       installed.
 
        Crates from crates.io can optionally specify the version they wish to
        install via the --version flags, and similarly packages from git

src/doc/src/commands/cargo-install.md

@@ -26,8 +26,8 @@ The installation root is determined, in order of precedence:
 - `$HOME/.cargo`
 
 There are multiple sources from which a crate can be installed. The default
-location is crates.io but the `--git`, `--path`, and `--registry` flags can
-change this source. If the source contains more than one package (such as
+source location is crates.io but the `--git`, `--path`, and `--registry` flags
+can change this source. If the source contains more than one package (such as
 crates.io or a git repository with multiple crates) the _crate_ argument is
 required to indicate which crate should be installed.
 

src/etc/man/cargo-install.1

@@ -42,8 +42,8 @@ The installation root is determined, in order of precedence:
 .RE
 .sp
 There are multiple sources from which a crate can be installed. The default
-location is crates.io but the \fB\-\-git\fR, \fB\-\-path\fR, and \fB\-\-registry\fR flags can
-change this source. If the source contains more than one package (such as
+source location is crates.io but the \fB\-\-git\fR, \fB\-\-path\fR, and \fB\-\-registry\fR flags
+can change this source. If the source contains more than one package (such as
 crates.io or a git repository with multiple crates) the \fIcrate\fR argument is
 required to indicate which crate should be installed.
 .sp