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Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>

compiler/rustc_error_codes/src/error_codes/E0026.md

@@ -1,4 +1,4 @@
-A struct pattern attempted to extract a non-existent field from a struct.
+A struct pattern attempted to extract a nonexistent field from a struct.
 
 Erroneous code example:
 

compiler/rustc_error_codes/src/error_codes/E0208.md

@@ -32,7 +32,7 @@ error: [-, o]
 This error is deliberately triggered with the `#[rustc_variance]` attribute
 (`#![feature(rustc_attrs)]` must be enabled) and helps to show you the variance
 of the type's generic parameters. You can read more about variance and
-subtyping in [this section of the Rustnomicon]. For a more in depth look at
+subtyping in [this section of the Rustonomicon]. For a more in depth look at
 variance (including a more complete list of common variances) see
 [this section of the Reference]. For information on how variance is implemented
 in the compiler, see [this section of `rustc-dev-guide`].
@@ -41,6 +41,6 @@ This error can be easily fixed by removing the `#[rustc_variance]` attribute,
 the compiler's suggestion to comment it out can be applied automatically with
 `rustfix`.
 
-[this section of the Rustnomicon]: https://doc.rust-lang.org/nomicon/subtyping.html
+[this section of the Rustonomicon]: https://doc.rust-lang.org/nomicon/subtyping.html
 [this section of the Reference]: https://doc.rust-lang.org/reference/subtyping.html#variance
 [this section of `rustc-dev-guide`]: https://rustc-dev-guide.rust-lang.org/variance.html

compiler/rustc_error_codes/src/error_codes/E0311.md

@@ -29,7 +29,7 @@ If `no_restriction()` were to use `&T` instead of `&()` as an argument, the
 compiler would have added an implied bound, causing this to compile.
 
 This error can be resolved by explicitly naming the elided lifetime for `x` and
-then explicily requiring that the generic parameter `T` outlives that lifetime:
+then explicitly requiring that the generic parameter `T` outlives that lifetime:
 
 ```
 fn no_restriction<'a, T: 'a>(x: &'a ()) -> &'a () {

compiler/rustc_error_codes/src/error_codes/E0457.md

@@ -1,6 +1,6 @@
 Plugin `..` only found in rlib format, but must be available in dylib format.
 
-Erroronous code example:
+Erroneous code example:
 
 `rlib-plugin.rs`
 ```ignore (needs-linkage-with-other-tests)

compiler/rustc_error_codes/src/error_codes/E0576.md

@@ -10,7 +10,7 @@ trait Hello {
 }
 ```
 
-In this example, we tried to use the non-existent associated type `You` of the
+In this example, we tried to use the nonexistent associated type `You` of the
 `Hello` trait. To fix this error, use an existing associated type:
 
 ```

compiler/rustc_error_codes/src/error_codes/E0609.md

@@ -1,4 +1,4 @@
-Attempted to access a non-existent field in a struct.
+Attempted to access a nonexistent field in a struct.
 
 Erroneous code example: