Fix minor typos in comments in MLIR Pass.cpp (NFC)

Author: joker-eph

mlir/include/mlir/Pass/Pass.h

@@ -182,7 +182,7 @@ class Pass {
   /// invoked within this hook.
   /// This method is invoked after all dependent dialects for the pipeline are
   /// loaded, and is not allowed to load any further dialects (override the
-  /// `geDependentDialects()` for this purpose instead). Returns a LogicalResult
+  /// `getDependentDialects()` for this purpose instead). Returns a LogicalResult
   /// to indicate failure, in which case the pass pipeline won't execute.
   virtual LogicalResult initialize(MLIRContext *context) { return success(); }
 

mlir/lib/Pass/Pass.cpp

@@ -820,7 +820,7 @@ LogicalResult PassManager::run(Operation *op) {
   if (failed(getImpl().finalizePassList(context)))
     return failure();
 
-  // Notify the context that we start running a pipeline for book keeping.
+  // Notify the context that we start running a pipeline for bookkeeping.
   context->enterMultiThreadedExecution();
 
   // Initialize all of the passes within the pass manager with a new generation.