[clang][analyzer][NFC] Fix a typo in comments (llvm#125622)

Author: benshi001

clang/include/clang/StaticAnalyzer/Core/PathSensitive/MemRegion.h

@@ -344,7 +344,7 @@ class GlobalImmutableSpaceRegion : public NonStaticGlobalSpaceRegion {
 };
 
 /// The region containing globals which can be modified by calls to
-/// "internally" defined functions - (for now just) functions other then system
+/// "internally" defined functions - (for now just) functions other than system
 /// calls.
 class GlobalInternalSpaceRegion : public NonStaticGlobalSpaceRegion {
   friend class MemRegionManager;
@@ -1021,7 +1021,7 @@ class NonParamVarRegion : public VarRegion {
   }
 };
 
-/// ParamVarRegion - Represents a region for paremters. Only parameters of the
+/// ParamVarRegion - Represents a region for parameters. Only parameters of the
 /// function in the current stack frame are represented as `ParamVarRegion`s.
 /// Parameters of top-level analyzed functions as well as captured paremeters
 /// by lambdas and blocks are repesented as `VarRegion`s.