minor: fix typos in docs (#108)

Author: brunobell

src/client/options/mod.rs

@@ -170,7 +170,7 @@ pub struct ClientOptions {
     ///
     /// Note that by default, the driver will autodiscover other nodes in the cluster. To connect
     /// directly to a single server (rather than autodiscovering the rest of the cluster), set the
-    /// `direct` field to `true.
+    /// `direct` field to `true`.
     #[builder(default_code = "vec![ StreamAddress {
         hostname: \"localhost\".to_string(),
         port: Some(27017),

src/coll/mod.rs

@@ -145,7 +145,7 @@ impl Collection {
         self.inner.write_concern.as_ref()
     }
 
-    /// Drops the collection, deleting all data, users, and indexes stored in in.
+    /// Drops the collection, deleting all data, users, and indexes stored in it.
     pub fn drop(&self, options: impl Into<Option<DropCollectionOptions>>) -> Result<()> {
         let mut options = options.into();
         resolve_options!(self, options, [write_concern]);

src/db/mod.rs

@@ -140,7 +140,7 @@ impl Database {
         Collection::new(self.clone(), name, Some(options))
     }
 
-    /// Drops the database, deleting all data, collections, users, and indexes stored in in.
+    /// Drops the database, deleting all data, collections, users, and indexes stored in it.
     pub fn drop(&self, options: impl Into<Option<DropDatabaseOptions>>) -> Result<()> {
         let mut options = options.into();
         resolve_options!(self, options, [write_concern]);