Fix typo in lib.rs doc

theHamsta · alexcrichton · commit 047bf5b12852 · 2019-10-15T09:41:32.000-05:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -35,7 +35,7 @@
 //! Cargo will also set this environment variable when executed with the `-jN` flag.
 //!
 //! If `NUM_JOBS` is not set, the `RAYON_NUM_THREADS` environment variable can
-//! also specify the build paralellism.
+//! also specify the build parallelism.
 //!
 //! # Examples
 //!
