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Nate Koenig · Nate Koenig · commit 1d679546eef1 · 2021-12-01T14:34:37.000-08:00
Signed-off-by: Nate Koenig &lt;nate@openrobotics.org&gt;
diff --git a/include/sdf/Link.hh b/include/sdf/Link.hh
@@ -254,25 +254,25 @@ namespace sdf
 
     /// \brief Add a collision to the link.
     /// \param[in] _collision Collision to add.
-    /// \return True if successfull, false if a collision with the name already
+    /// \return True if successful, false if a collision with the name already
     /// exists.
     public: bool AddCollision(const Collision &_collision);
 
     /// \brief Add a visual to the link.
     /// \param[in] _visual Visual to add.
-    /// \return True if successfull, false if a visual with the name already
+    /// \return True if successful, false if a visual with the name already
     /// exists.
     public: bool AddVisual(const Visual &_visual);
 
     /// \brief Add a light to the link.
     /// \param[in] _light Light to add.
-    /// \return True if successfull, false if a light with the name already
+    /// \return True if successful, false if a light with the name already
     /// exists.
     public: bool AddLight(const Light &_light);
 
     /// \brief Add a sensor to the link.
     /// \param[in] _sensor Sensor to add.
-    /// \return True if successfull, false if a sensor with the name already
+    /// \return True if successful, false if a sensor with the name already
     /// exists.
     public: bool AddSensor(const Sensor &_sensor);
 
diff --git a/include/sdf/Model.hh b/include/sdf/Model.hh
@@ -348,19 +348,19 @@ namespace sdf
 
     /// \brief Add a link to the model.
     /// \param[in] _link Link to add.
-    /// \return True if successfull, false if a link with the name already
+    /// \return True if successful, false if a link with the name already
     /// exists.
     public: bool AddLink(const Link &_link);
 
     /// \brief Add a joint to the model.
     /// \param[in] _link Joint to add.
-    /// \return True if successfull, false if a joint with the name already
+    /// \return True if successful, false if a joint with the name already
     /// exists.
     public: bool AddJoint(const Joint &_joint);
 
     /// \brief Add a model to the model.
     /// \param[in] _model Model to add.
-    /// \return True if successfull, false if a model with the name already
+    /// \return True if successful, false if a model with the name already
     /// exists.
     public: bool AddModel(const Model &_model);
 
diff --git a/include/sdf/World.hh b/include/sdf/World.hh
@@ -182,19 +182,19 @@ namespace sdf
 
     /// \brief Add a model to the world.
     /// \param[in] _model Model to add.
-    /// \return True if successfull, false if a model with the name already
+    /// \return True if successful, false if a model with the name already
     /// exists.
     public: bool AddModel(const Model &_model);
 
     /// \brief Add an actor to the world.
     /// \param[in] _actor Actor to add.
-    /// \return True if successfull, false if an actor with the name already
+    /// \return True if successful, false if an actor with the name already
     /// exists.
     public: bool AddActor(const Actor &_actor);
 
     /// \brief Add a light to the world.
     /// \param[in] _light Light to add.
-    /// \return True if successfull, false if a lights with the name already
+    /// \return True if successful, false if a lights with the name already
     /// exists.
     public: bool AddLight(const Light &_light);
 
