docs: minor improvements

Just some minor improvements when passing by.

Author: wooster0

lib/std/testing.zig

@@ -214,7 +214,7 @@ pub fn expectFmt(expected: []const u8, comptime template: []const u8, args: anyt
 /// not approximately equal to the expected value, prints diagnostics to stderr
 /// to show exactly how they are not equal, then returns a test failure error.
 /// See `math.approxEqAbs` for more informations on the tolerance parameter.
-/// The types must be floating point
+/// The types must be floating point.
 pub fn expectApproxEqAbs(expected: anytype, actual: @TypeOf(expected), tolerance: @TypeOf(expected)) !void {
     const T = @TypeOf(expected);
 
@@ -246,7 +246,7 @@ test "expectApproxEqAbs" {
 /// not approximately equal to the expected value, prints diagnostics to stderr
 /// to show exactly how they are not equal, then returns a test failure error.
 /// See `math.approxEqRel` for more informations on the tolerance parameter.
-/// The types must be floating point
+/// The types must be floating point.
 pub fn expectApproxEqRel(expected: anytype, actual: @TypeOf(expected), tolerance: @TypeOf(expected)) !void {
     const T = @TypeOf(expected);
 
@@ -719,16 +719,16 @@ pub fn checkAllAllocationFailures(backing_allocator: std.mem.Allocator, comptime
     }
 }
 
-/// Given a type, reference all the declarations inside, so that the semantic analyzer sees them.
+/// Given a type, references all the declarations inside, so that the semantic analyzer sees them.
 pub fn refAllDecls(comptime T: type) void {
     if (!builtin.is_test) return;
     inline for (comptime std.meta.declarations(T)) |decl| {
         if (decl.is_pub) _ = @field(T, decl.name);
     }
 }
 
-/// Given a type, and Recursively reference all the declarations inside, so that the semantic analyzer sees them.
-/// For deep types, you may use `@setEvalBranchQuota`
+/// Given a type, recursively references all the declarations inside, so that the semantic analyzer sees them.
+/// For deep types, you may use `@setEvalBranchQuota`.
 pub fn refAllDeclsRecursive(comptime T: type) void {
     if (!builtin.is_test) return;
     inline for (comptime std.meta.declarations(T)) |decl| {