diff --git a/src/data/roadmaps/python/content/102-python-advanced-topics/105-modules/100-builtin-modules.md b/src/data/roadmaps/python/content/102-python-advanced-topics/105-modules/100-builtin-modules.md
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--- a/src/data/roadmaps/python/content/102-python-advanced-topics/105-modules/100-builtin-modules.md
+++ b/src/data/roadmaps/python/content/102-python-advanced-topics/105-modules/100-builtin-modules.md
@@ -1,6 +1,6 @@
 # Builtin Modules
 
-Python interpreter has a number of built-in functions. They are always available for use in every interpreter session. Many of them have been discussed in previously. For example `print()` and `input()` for I/O, number conversion functions (`int()`, `float()`, `complex()`), data type conversions (`list()`, `tuple()`, `set()`) etc.
+Python interpreter has a number of built-in functions. They are always available for use in every interpreter session. Many of them have been discussed previously. For example `print()` and `input()` for I/O, number conversion functions (`int()`, `float()`, `complex()`), data type conversions (`list()`, `tuple()`, `set()`) etc.
 
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