diff --git a/truck-meshalgo/src/lib.rs b/truck-meshalgo/src/lib.rs
index b578e101..6f7e09d7 100644
--- a/truck-meshalgo/src/lib.rs
+++ b/truck-meshalgo/src/lib.rs
@@ -21,7 +21,7 @@ pub mod rexport_polymesh {
 }
 use truck_polymesh::{StandardVertex as Vertex, *};
 
-/// polygon mesh analizers, including
+/// polygon mesh analyzers, including
 ///
 /// - determines topological properties: connectivity, boundary extraction, or shell conditions (closed or oriented)
 /// - detects collisions between two meshes and extracts interference lines
diff --git a/truck-shapeops/README.md b/truck-shapeops/README.md
index 5937526a..aa072196 100644
--- a/truck-shapeops/README.md
+++ b/truck-shapeops/README.md
@@ -2,7 +2,7 @@
 
 [![Crates.io](https://img.shields.io/crates/v/truck-shapeops.svg)](https://crates.io/crates/truck-shapeops) [![Docs.rs](https://docs.rs/truck-shapeops/badge.svg)](https://docs.rs/truck-shapeops)
 
-Crate for operationg shapes. Provides boolean operations to Solid, and shape healing for importing shapes from other CAD systems.
+Crate for operation shapes. Provides boolean operations to Solid, and shape healing for importing shapes from other CAD systems.
 
 ## Sample Codes
 
diff --git a/truck-shapeops/src/lib.rs b/truck-shapeops/src/lib.rs
index 24df2f2d..6864a1c8 100644
--- a/truck-shapeops/src/lib.rs
+++ b/truck-shapeops/src/lib.rs
@@ -1,4 +1,4 @@
-//! Crate for operationg shapes. Provides boolean operations to Solid, and shape healing for importing shapes from other CAD systems.
+//! Crate for operation shapes. Provides boolean operations to Solid, and shape healing for importing shapes from other CAD systems.
 
 #![cfg_attr(not(debug_assertions), deny(warnings))]
 #![deny(clippy::all, rust_2018_idioms)]
diff --git a/truck-topology/src/shell.rs b/truck-topology/src/shell.rs
index 42de8533..6a413fef 100644
--- a/truck-topology/src/shell.rs
+++ b/truck-topology/src/shell.rs
@@ -198,8 +198,8 @@ impl<P, C, S> Shell<P, C, S> {
 
     /// Returns the adjacency matrix of vertices in the shell.
     ///
-    /// For the returned hashmap `map` and each vertex `v`,
-    /// the vector `map[&v]` cosists all vertices which is adjacent to `v`.
+    /// For the returned hashmap `map` and each vertex `v`, the
+    /// vector `map[&v]` consists of all vertices which is adjacent to `v`.
     /// # Examples
     /// ```
     /// use truck_topology::*;