diff --git a/report/Makefile b/report/Makefile
index 142691e..317757a 100644
--- a/report/Makefile
+++ b/report/Makefile
@@ -1,7 +1,7 @@
 PANDOC_ARGS += --verbose
 PANDOC_ARGS += --highlight-style=pygments # the default theme
 
-# Optional filters, needs be installed seperately:
+# Optional filters, needs be installed separately:
 
 #PANDOC_ARGS += --filter pandoc-include
 #PANDOC_ARGS += --filter pandoc-include-code
diff --git a/src/main.rs b/src/main.rs
index edc50c0..8617821 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -212,7 +212,7 @@ fn main() {
 
             unsafe {
                 // Clear the color and depth buffers
-                gl::ClearColor(0.035, 0.046, 0.078, 1.0); // night sky, full opacity
+                gl::ClearColor(0.035, 0.046, 0.078, 1.0); // night sky
                 gl::Clear(gl::COLOR_BUFFER_BIT | gl::DEPTH_BUFFER_BIT);
 
 
diff --git a/src/util.rs b/src/util.rs
index 79b2529..7684321 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -5,7 +5,7 @@ pub unsafe fn get_gl_string(name: gl::types::GLenum) -> String {
     std::ffi::CStr::from_ptr(gl::GetString(name) as *mut libc::c_char).to_string_lossy().to_string()
 }
 
-// Debug callback to panic upon enountering any OpenGL error
+// Debug callback to panic upon encountering any OpenGL error
 pub extern "system" fn debug_callback(
     source: u32, e_type: u32, id: u32,
     severity: u32, _length: i32,