Cleanup: Typo in comment

source/blender/blenlib/BLI_virtual_array.hh

@@ -667,7 +667,7 @@ template<typename T> class VArrayCommon {
   }
 
   /**
-   * Returns the internally used span of the virtual array. This invokes undefined behavior is the
+   * Returns the internally used span of the virtual array. This invokes undefined behavior if the
    * virtual array is not stored as a span internally.
    */
   Span<T> get_internal_span() const

source/blender/functions/FN_generic_virtual_array.hh

@@ -139,7 +139,7 @@ class GVArrayCommon {
    */
   bool is_span() const;
   /**
-   * Returns the internally used span of the virtual array. This invokes undefined behavior is the
+   * Returns the internally used span of the virtual array. This invokes undefined behavior if the
    * virtual array is not stored as a span internally.
    */
   GSpan get_internal_span() const;