Fix spelling

Author: Multimodcrafter

regex-automata/src/nfa/thompson/nfa.rs

@@ -1106,7 +1106,7 @@ impl NFA {
         self.0.lookaround_count
     }
 
-    /// Returns the starting states for initializing look-behind evaluation
+    /// Returns the starting states for initializing look-behind evaluation.
     #[inline]
     pub fn look_behind_starts(&self) -> &Vec<StateID> {
         &self.0.start_look_behind
@@ -1276,7 +1276,7 @@ pub(super) struct Inner {
     /// This is needed to initialize the table for storing the result of
     /// look-around evaluation.
     lookaround_count: usize,
-    /// Contains the start states for each of the look-behind subexpressions
+    /// Contains the start states for each of the look-behind subexpressions.
     start_look_behind: Vec<StateID>,
     /// Heap memory used indirectly by NFA states and other things (like the
     /// various capturing group representations above). Since each state

regex-automata/src/nfa/thompson/pikevm.rs

@@ -1287,7 +1287,7 @@ impl PikeVM {
 
         // This brings the look-behind threads into the state they must be for
         // starting at input.start() instead of the beginning. This is
-        // necessary for lookbehinds to be able to match outside of the input
+        // necessary for look-behinds to be able to match outside of the input
         // span.
         for lb_at in 0..input.start() {
             self.nexts(
@@ -1413,7 +1413,7 @@ impl PikeVM {
                     stack, slots, curr, lookaround, input, at, start_id,
                 );
             }
-            // The lookbehind states must be processed first, since their
+            // The look-behind states must be processed first, since their
             // result must be available for the processing of the main states.
             self.nexts(
                 stack,
@@ -2066,9 +2066,9 @@ pub struct Cache {
     /// haystack at which look-around indexed x holds and which is <= to the
     /// current position".
     lookaround: Vec<Option<NonMaxUsize>>,
-    /// The current active states for look-behind subexpressions
+    /// The current active states for look-behind subexpressions.
     curr_lookaround: ActiveStates,
-    /// The next set of states to be explored for look-behind subexpressions
+    /// The next set of states to be explored for look-behind subexpressions.
     next_lookaround: ActiveStates,
 }