Fix a bunch of typos

2 files changed, 5 insertions, 5 deletions

diff --git a/library/stdarch/crates/std_detect/src/detect/arch/aarch64.rs b/library/stdarch/crates/std_detect/src/detect/arch/aarch64.rs
index 81979ba9672..2f90555428c 100644
--- a/library/stdarch/crates/std_detect/src/detect/arch/aarch64.rs
+++ b/library/stdarch/crates/std_detect/src/detect/arch/aarch64.rs
@@ -8,7 +8,7 @@ features! {
     /// Currently most features are only supported on linux-based platforms.
     ///
     /// This macro takes one argument which is a string literal of the feature being tested for.
-    /// The feature names are mostly taken from their FEAT_* definitiions in the [ARM Architecture
+    /// The feature names are mostly taken from their FEAT_* definitions in the [ARM Architecture
     /// Reference Manual][docs].
     ///
     /// ## Supported arguments
@@ -104,9 +104,9 @@ features! {
     @FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] pauth: "pauth";
     /// FEAT_PAuth (pointer authentication)
     @FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] dpb: "dpb";
-    /// FEAT_DPB (aka dcpop - data cache clean to point of persistance)
+    /// FEAT_DPB (aka dcpop - data cache clean to point of persistence)
     @FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] dpb2: "dpb2";
-    /// FEAT_DPB2 (aka dcpodp - data cache clean to point of deep persistance)
+    /// FEAT_DPB2 (aka dcpodp - data cache clean to point of deep persistence)
     @FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] sve2: "sve2";
     /// FEAT_SVE2 (Scalable Vector Extension 2)
     @FEATURE: #[unstable(feature = "stdsimd", issue = "27731")] sve2_aes: "sve2-aes";
diff --git a/library/stdarch/crates/std_detect/src/detect/arch/x86.rs b/library/stdarch/crates/std_detect/src/detect/arch/x86.rs
index f2df1fbcdf3..22dbb98412f 100644
--- a/library/stdarch/crates/std_detect/src/detect/arch/x86.rs
+++ b/library/stdarch/crates/std_detect/src/detect/arch/x86.rs
@@ -3,7 +3,7 @@
 //! The features are detected using the `detect_features` function below.
 //! This function uses the CPUID instruction to read the feature flags from the
 //! CPU and encodes them in a `usize` where each bit position represents
-//! whether a feature is available (bit is set) or unavaiable (bit is cleared).
+//! whether a feature is available (bit is set) or unavailable (bit is cleared).
 //!
 //! The enum `Feature` is used to map bit positions to feature names, and the
 //! the `__crate::detect::check_for!` macro is used to map string literals (e.g.,
@@ -178,7 +178,7 @@ features! {
     @FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] popcnt: "popcnt";
     /// POPCNT (Population Count)
     @FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] fxsr: "fxsr";
-    /// FXSR (Floating-point context fast save and restor)
+    /// FXSR (Floating-point context fast save and restore)
     @FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] xsave: "xsave";
     /// XSAVE (Save Processor Extended States)
     @FEATURE: #[stable(feature = "simd_x86", since = "1.27.0")] xsaveopt: "xsaveopt";