Typos fix (#4509)

clang-tidy.md

@@ -51,7 +51,7 @@ We are not interesting in the size/complexity of a function.
 `readability-redundant-member-init`<br>
 `readability-simplify-boolean-expr`<br>
 
-These do not (always) increase readbility.
+These do not (always) increase readability.
 
 `bugprone-macro-parentheses`<br>
 `readability-implicit-bool-conversion`<br>
@@ -76,7 +76,7 @@ This leads to a mismatch of raw string literals and regular ones and does reduce
 
 `readability-convert-member-functions-to-static`<br>
 
-Disabled because of false postives with Qt `slot` methods (see https://github.com/llvm/llvm-project/issues/57520).
+Disabled because of false positives with Qt `slot` methods (see https://github.com/llvm/llvm-project/issues/57520).
 
 `-clang-analyzer-*`<br>
 
@@ -116,7 +116,7 @@ Produces a lot of false positives since it is too vague in its analysis.
 
 `performance-inefficient-string-concatenation`<br>
 
-Produces many warnings which very much look like false ppsitives (needs to be reported upstream).
+Produces many warnings which very much look like false positives (needs to be reported upstream).
 
 `bugprone-suspicious-include`<br>
 

lib/checkexceptionsafety.cpp

@@ -321,7 +321,7 @@ void CheckExceptionSafety::unhandledExceptionSpecification()
     const SymbolDatabase* const symbolDatabase = mTokenizer->getSymbolDatabase();
 
     for (const Scope * scope : symbolDatabase->functionScopes) {
-        // only check functions without exception epecification
+        // only check functions without exception specification
         if (scope->function && !scope->function->isThrow() &&
             scope->className != "main" && scope->className != "wmain" &&
             scope->className != "_tmain" && scope->className != "WinMain") {

lib/token.cpp

@@ -2050,7 +2050,7 @@ static void removeOverlaps(std::list<ValueFlow::Value>& values)
                 return false;
             if (x.valueKind != y.valueKind)
                 return false;
-            // TODO: Remove points coverd in a lower or upper bound
+            // TODO: Remove points covered in a lower or upper bound
             // TODO: Remove lower or upper bound already covered by a lower and upper bound
             if (!x.equalValue(y))
                 return false;