diff --git a/implot-sys/src/lib.rs b/implot-sys/src/lib.rs
index cbca664..02c16fc 100644
--- a/implot-sys/src/lib.rs
+++ b/implot-sys/src/lib.rs
@@ -4,7 +4,7 @@
 
 // just for linking for tests
 #[cfg(test)]
-use imgui_sys as _;
+use imgui_sys;
 
 use std::ops::Range;
 include!("bindings.rs");
@@ -65,5 +65,10 @@ mod tests {
         let im_range: ImPlotRange = tuple.clone().into();
         assert_eq!(im_range.Min, tuple.0);
         assert_eq!(im_range.Max, tuple.1);
+
+        let imvec = imgui_sys::ImVec2::new(33.0, 55.0);
+        let im_range: ImPlotRange = imvec.clone().into();
+        assert_eq!(im_range.Min, imvec.x as f64);
+        assert_eq!(im_range.Max, imvec.y as f64);
     }
 }
diff --git a/src/context.rs b/src/context.rs
index b0ef496..1e3d833 100644
--- a/src/context.rs
+++ b/src/context.rs
@@ -20,6 +20,7 @@ pub struct Context {
 // This mutex is used to guard any accesses to the context
 static CTX_MUTEX: ReentrantMutex<()> = parking_lot::const_reentrant_mutex(());
 
+/// Check if there is no current context defined by calling into the C++ API
 fn no_current_context() -> bool {
     let ctx = unsafe { sys::ImPlot_GetCurrentContext() };
     ctx.is_null()
diff --git a/src/plot.rs b/src/plot.rs
index 3e28aea..5c6c311 100644
--- a/src/plot.rs
+++ b/src/plot.rs
@@ -181,7 +181,7 @@ impl Plot {
     }
 
     /// Sets the plot size, given as [size_x, size_y]. Units are the same as
-    /// what imgui uses. TODO(4b4) ... which is? I'm not sure it's pixels
+    /// what imgui uses. TODO(4bb4) ... which is? I'm not sure it's pixels
     #[inline]
     pub fn size(mut self, size: [f32; 2]) -> Self {
         self.size = size;