Fix completion test

Author: odersky

compiler/src/dotty/tools/dotc/cc/CaptureOps.scala

@@ -230,17 +230,17 @@ extension (tp: Type)
    *  cannot be propagated between sets. If `a <: b` and `a` acquires `x?` then
    *  `x` is propagated to `b` as a conservative approximation.
    *
-   *  Maybe capabilities should only arise for caoture sets that appear in invariant
-   *  position in their surrounding type. They are similar to TypeBunds types, but
+   *  Maybe capabilities should only arise for capture sets that appear in invariant
+   *  position in their surrounding type. They are similar to TypeBounds types, but
    *  restricted to capture sets. For instance,
    *
    *      Array[C^{x?}]
    *
-   *  should be morally equivaelent to
+   *  should be morally equivalent to
    *
    *      Array[_ >: C^{} <: C^{x}]
    *
-   *   but it has fewer issues with type inference. 
+   *   but it has fewer issues with type inference.
    */
   def maybe(using Context): CaptureRef = tp match
     case tp: CaptureRef if tp.isTrackableRef =>

presentation-compiler/test/dotty/tools/pc/tests/completion/CompletionPatternSuite.scala

@@ -57,6 +57,7 @@ class CompletionPatternSuite extends BaseCompletionSuite:
       """|main scala
          |macros - scala.languageFeature.experimental
          |macroImpl - scala.reflect.macros.internal
+         |maybeCapability - scala.annotation.internal
          |""".stripMargin
     )