Small fixes

Author: VaclavMacha

docs/src/lecture_03/conditions.md

@@ -133,7 +133,7 @@ end
 compare (generic function with 1 method)
 ```
 
-In the example above, the variable `z` equals `y` if the expression` x <y` evaluates as `true`. Otherwise, the variable `z` equals` x`.
+In the example above, the variable `z` equals `y` if the expression` x < y` evaluates as `true`. Otherwise, the variable `z` equals` x`.
 
 ```jldoctest conditions
 julia> compare(1, 2.3)

docs/src/lecture_04/functions.md

@@ -753,7 +753,7 @@ x = -1, y = -2
  -3
 ```
 
-However, it is usually better to create an actual anonymous function beforehand.
+However, it is usually better to create an actual function beforehand.
 
 ```jldoctest anonym; output = false
 function f(x, y)