chore: minor improvement for docs (#1598)

Signed-off-by: spuradage <spuradage@outlook.com>

Author: spuradage

src/flags.rs

@@ -166,7 +166,7 @@ impl<'this> RustcCodegenFlags<'this> {
                 self.branch_protection = flag_not_empty(value)?;
             }
             // https://doc.rust-lang.org/beta/unstable-book/compiler-flags/dwarf-version.html
-            // FIXME: Drop the -Z variant and update the doc link once the option is stablized
+            // FIXME: Drop the -Z variant and update the doc link once the option is stabilized
             "-Zdwarf-version" | "-Cdwarf-version" => {
                 self.dwarf_version = flag_not_empty_generic(flag, value.and_then(arg_to_u32))?;
             }

src/lib.rs

@@ -1319,7 +1319,7 @@ impl Build {
     /// always run on every compilation if no rerun cargo metadata is emitted.
     ///
     /// NOTE that cc does not emit metadata to detect changes for `PATH`, since it could
-    /// be changed every comilation yet does not affect the result of compilation
+    /// be changed every compilation yet does not affect the result of compilation
     /// (i.e. rust-analyzer adds temporary directory to `PATH`).
     ///
     /// cc in general, has no way detecting changes to compiler, as there are so many ways to
@@ -1805,7 +1805,7 @@ impl Build {
                 is_arm,
             },
         );
-        // armasm and armasm64 don't requrie -c option
+        // armasm and armasm64 don't require -c option
         if !is_assembler_msvc || !is_arm {
             cmd.arg("-c");
         }