diff --git a/README.md b/README.md
index 4ee332e..5cb9f18 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ These dependencies always have to be installed:
     # Clone the necessary repos into your Catkin workspace
     git clone https://github.com/googlecartographer/cartographer.git
     git clone https://github.com/googlecartographer/cartographer_ros.git
-    git clone https://github.com/ethz-asl/ceres_catkin.git  # Caution! Make sure you do not have "suitesparse" in you Catkin workspace
+    git clone https://github.com/ethz-asl/ceres_catkin.git  # Caution! Make sure you do not have "suitesparse" in your Catkin workspace
     git clone https://github.com/ethz-asl/glog_catkin.git
     git clone https://github.com/ethz-asl/gflags_catkin.git
     git clone https://github.com/ethz-asl/catkin_simple.git
diff --git a/cartographer_ros/src/cartographer_node_main.cc b/cartographer_ros/src/cartographer_node_main.cc
index 3ad0d6c..2840a87 100644
--- a/cartographer_ros/src/cartographer_node_main.cc
+++ b/cartographer_ros/src/cartographer_node_main.cc
@@ -641,7 +641,7 @@ class ScopedRosLogSink : public google::LogSink {
 
   void WaitTillSent() override {
     if (will_die_) {
-      // Arbirarily give ROS some time to actually publish our message.
+      // Give ROS some time to actually publish our message.
       std::this_thread::sleep_for(
           ::cartographer::common::FromMilliseconds(1000));
     }