[nfc] Correct various typos

CONTRIBUTING.md

@@ -4,7 +4,7 @@ Thank you for your interest in contributing to ROOT!  We strongly welcome and ap
 This short guide tries to make contributing as quick and painless as possible.
 
 > [!NOTE]
-> These guidelines should be applicable to most contributes. At the same time, these are not 'one-size-fits-all' rules,
+> These guidelines should be applicable to most contributions. At the same time, these are not 'one-size-fits-all' rules,
 > and there might be cases where diverging from these guidelines is warranted. If you are unsure about how to structure
 > your contribution, don't hesitate to reach out! We are always happy to provide help and feedback.
 
@@ -43,11 +43,11 @@ This allows us to revert changes when needed, without affecting anything else.
 
 > [!TIP]
 > Enable the CMake build option `dev=ON` to enable extra checks that are normally off. Most notably, this will turn
-> compiler warnings into errors, preventing you from accidentally push code that causes warnings.
+> compiler warnings into errors, preventing you from accidentally pushing code that causes warnings.
 
 ### Your Commit Message
 
-The commit summary (i.e. the first line of the commit message) should be preceded by the a tag indicating the scope of
+The commit summary (i.e. the first line of the commit message) should be preceded by a tag indicating the scope of
 ROOT that is affected by your commit, in square brackets. Most tags are self-describing (e.g., `[tree]` indicates a
 change to TTree, `[RF]` indicates a change to RooFit). If you are unsure about which scope tags to use, we are happy to
 point you in the right direction! See also the [commit log](https://github.com/root-project/root/commits/master/) for

core/sanitizer/SanitizerSetup.cxx

@@ -35,7 +35,7 @@ const char* __asan_default_options() {
 }
 
 /// Default options when leak sanitizer starts up in ROOT executables.
-/// This is relevant when ROOT's build options `asan` is on.
+/// This is relevant when ROOT's build option `asan` is on.
 /// These can be overridden / augmented by the LSAN_OPTIONS environment variable.
 /// Using LSAN_OPTIONS=help=1 and starting an instrumented ROOT executable, available options will be printed.
 const char* __lsan_default_options() {

tree/ntuple/src/RMiniFile.cxx

@@ -161,7 +161,7 @@ class RUInt64BE {
 };
 
 #pragma pack(push, 1)
-/// A name (type, identifies, ...) in the TFile binary format
+/// A name (type, identifier, ...) in the TFile binary format
 struct RTFString {
    unsigned char fLName{0};
    char fData[255];
@@ -224,7 +224,7 @@ struct RTFKey {
    {
       R__ASSERT(szObjInMem <= std::numeric_limits<std::uint32_t>::max());
       R__ASSERT(szObjOnDisk <= std::numeric_limits<std::uint32_t>::max());
-      // For writing, we alywas produce "big" keys with 64-bit SeekKey and SeekPdir.
+      // For writing, we always produce "big" keys with 64-bit SeekKey and SeekPdir.
       fVersion = fVersion + kBigKeyVersion;
       fObjLen = szObjInMem;
       fKeyLen = static_cast<RUInt16BE>(GetHeaderSize() + clName.GetSize() + objName.GetSize() + titleName.GetSize());