diff --git a/gcc/ada/einfo.ads b/gcc/ada/einfo.ads
index 7138b9d59de..7bb1f16d98d 100644
--- a/gcc/ada/einfo.ads
+++ b/gcc/ada/einfo.ads
@@ -822,7 +822,7 @@ package Einfo is
 --       Defined in all object entities. Set in E_Variable, E_Constant, formal
 --       parameters and E_Loop_Parameter entities if we have trackable current
 --       values. Set non-Empty if the (constant) current value of the variable
---       is known, This value is valid only for references from the same
+--       is known. This value is valid only for references from the same
 --       sequential scope as the entity. The sequential scope of an entity
 --       includes the immediate scope and any contained scopes that are package
 --       specs, package bodies, blocks (at any nesting level) or statement
diff --git a/gcc/ada/exp_ch2.adb b/gcc/ada/exp_ch2.adb
index b8ac2cde264..407ffcb434c 100644
--- a/gcc/ada/exp_ch2.adb
+++ b/gcc/ada/exp_ch2.adb
@@ -122,8 +122,6 @@ package body Exp_Ch2 is
       Val : Node_Id;
       Op  : Node_Kind;
 
-   --  Start of processing for Expand_Current_Value
-
    begin
       if True
 
diff --git a/gcc/ada/exp_util.adb b/gcc/ada/exp_util.adb
index d93788b8e5b..236d9ce6158 100644
--- a/gcc/ada/exp_util.adb
+++ b/gcc/ada/exp_util.adb
@@ -6418,7 +6418,7 @@ package body Exp_Util is
             if Loc < Sloc (CV) then
                return;
 
-               --  After end of IF statement
+            --  After end of IF statement
 
             elsif Loc >= Sloc (CV) + Text_Ptr (UI_To_Int (End_Span (CV))) then
                return;
@@ -12741,7 +12741,7 @@ package body Exp_Util is
                --  they occur at the same level. If the second one is nested,
                --  then the decision is neither right nor wrong (it would be
                --  equally OK to leave the outer one in place, or take the new
-               --  inner one. Really we should record both, but our data
+               --  inner one). Really we should record both, but our data
                --  structures are not that elaborate.
 
                if Nkind (Current_Value (Ent)) not in N_Subexpr then
diff --git a/gcc/ada/sem_ch5.adb b/gcc/ada/sem_ch5.adb
index 4028d0232ab..4664df83aba 100644
--- a/gcc/ada/sem_ch5.adb
+++ b/gcc/ada/sem_ch5.adb
@@ -1833,7 +1833,7 @@ package body Sem_Ch5 is
 
             --  If condition is False, analyze THEN with expansion off
 
-            else -- Is_False (Expr_Value (Cond))
+            else pragma Assert (Is_False (Expr_Value (Cond)));
                Expander_Mode_Save_And_Set (False);
                In_Deleted_Code := True;
                Analyze_Statements (Tstm);