diff --git a/interpreter/cling/include/cling/Interpreter/Interpreter.h b/interpreter/cling/include/cling/Interpreter/Interpreter.h
index 9c0bac1a449db..1fa0c0d23d83f 100644
--- a/interpreter/cling/include/cling/Interpreter/Interpreter.h
+++ b/interpreter/cling/include/cling/Interpreter/Interpreter.h
@@ -310,7 +310,7 @@ namespace cling {
 
     ///\brief Runs given wrapper function.
     ///
-    ///\param [in] fname - The function name.
+    ///\param [in] FD - The function declaration.
     ///\param [in,out] res - The return result of the run function. Must be
     ///       initialized to point to the return value's location if the
     ///       expression result is an aggregate.
@@ -580,7 +580,7 @@ namespace cling {
     ///
     /// @param[in] line - The input containing the string to be completed.
     /// @param[in] cursor - The offset for the completion point.
-    /// @param[out] completions - The results for teh completion
+    /// @param[out] completions - The results for the completion.
     ///
     ///\returns Whether the operation was fully successful.
     ///
diff --git a/interpreter/cling/lib/Interpreter/LookupHelper.cpp b/interpreter/cling/lib/Interpreter/LookupHelper.cpp
index ca57a0291a966..64ba9b93ac802 100644
--- a/interpreter/cling/lib/Interpreter/LookupHelper.cpp
+++ b/interpreter/cling/lib/Interpreter/LookupHelper.cpp
@@ -192,7 +192,7 @@ namespace cling {
 
   ///\brief Look for a tag decl based on its name
   ///
-  ///\param declName name of the class, enum, uniorn or namespace being
+  ///\param declName name of the class, enum, union or namespace being
   ///       looked for
   ///\param resultDecl pointer that will be updated with the answer
   ///\param P Parse to use for the search
@@ -358,7 +358,7 @@ namespace cling {
 
   ///\brief Look for a tag decl based on its name
   ///
-  ///\param typeName name of the class, enum, uniorn or namespace being
+  ///\param typeName name of the class, enum, union or namespace being
   ///       looked for
   ///\param resultType reference to QualType that will be updated with the answer
   ///\param P Parse to use for the search
diff --git a/math/mathcore/src/TMath.cxx b/math/mathcore/src/TMath.cxx
index 9a3c18a5bff27..03212ada15350 100644
--- a/math/mathcore/src/TMath.cxx
+++ b/math/mathcore/src/TMath.cxx
@@ -2134,7 +2134,7 @@ Double_t TMath::Binomial(Int_t n,Int_t k)
 /// for _n_ smaller than 12 either method is acceptable ("Numerical Recipes")
 ///
 /// Note this function is not exactly implementing the cumulative or the complement of the cumulative of the
-/// Binomial distrinution. It is equivalent to ROOT::Math::binomial_cdf_c(k-1,p,n)
+/// Binomial distribution. It is equivalent to ROOT::Math::binomial_cdf_c(k-1,p,n)
 ///
 /// \author Anna Kreshuk